Home / 39,151,431.40-58,727,147.10-10,402,004.20

Finding the Fourth Proportional to 39,151,431.40, 58,727,147.10 and 10,402,004.20

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Solution

The fourth proportional to 39,151,431.40, 58,727,147.10 and 10,402,004.20 is: 15,603,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151,431.40 : 58,727,147.10 = 10,402,004.20 : x
  2. Step 2: Convert to fraction form
    39,151,431.40/58,727,147.10 = 10,402,004.20/x
  3. Step 3: Cross multiply
    39,151,431.40x = 58,727,147.10 × 10,402,004.20
  4. Step 4: Simplify right side
    39,151,431.40x = 610,880,030,788,217.75
  5. Step 5: Solve for x
    x = 610,880,030,788,217.75/39,151,431.40
  6. Step 6: Final answer
    x = 15,603,006.30

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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.