Home / 8,078,533.40-12,117,800.10-5,527,616.60

Finding the Fourth Proportional to 8,078,533.40, 12,117,800.10 and 5,527,616.60

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Solution

The fourth proportional to 8,078,533.40, 12,117,800.10 and 5,527,616.60 is: 8,291,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,533.40 : 12,117,800.10 = 5,527,616.60 : x
  2. Step 2: Convert to fraction form
    8,078,533.40/12,117,800.10 = 5,527,616.60/x
  3. Step 3: Cross multiply
    8,078,533.40x = 12,117,800.10 × 5,527,616.60
  4. Step 4: Simplify right side
    8,078,533.40x = 66,982,552,988,241.66
  5. Step 5: Solve for x
    x = 66,982,552,988,241.66/8,078,533.40
  6. Step 6: Final answer
    x = 8,291,424.90

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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.