Home / 6,739,867.40-10,109,801.10-4,220,443.40

Finding the Fourth Proportional to 6,739,867.40, 10,109,801.10 and 4,220,443.40

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Solution

The fourth proportional to 6,739,867.40, 10,109,801.10 and 4,220,443.40 is: 6,330,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,867.40 : 10,109,801.10 = 4,220,443.40 : x
  2. Step 2: Convert to fraction form
    6,739,867.40/10,109,801.10 = 4,220,443.40/x
  3. Step 3: Cross multiply
    6,739,867.40x = 10,109,801.10 × 4,220,443.40
  4. Step 4: Simplify right side
    6,739,867.40x = 42,667,843,327,807.74
  5. Step 5: Solve for x
    x = 42,667,843,327,807.74/6,739,867.40
  6. Step 6: Final answer
    x = 6,330,665.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.