Home / 6,866,009.40-10,299,014.10-3,992,291.40

Finding the Fourth Proportional to 6,866,009.40, 10,299,014.10 and 3,992,291.40

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Solution

The fourth proportional to 6,866,009.40, 10,299,014.10 and 3,992,291.40 is: 5,988,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866,009.40 : 10,299,014.10 = 3,992,291.40 : x
  2. Step 2: Convert to fraction form
    6,866,009.40/10,299,014.10 = 3,992,291.40/x
  3. Step 3: Cross multiply
    6,866,009.40x = 10,299,014.10 × 3,992,291.40
  4. Step 4: Simplify right side
    6,866,009.40x = 41,116,665,419,908.73
  5. Step 5: Solve for x
    x = 41,116,665,419,908.73/6,866,009.40
  6. Step 6: Final answer
    x = 5,988,437.10

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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.