Home / 28,231,545.60-42,291,331.20-16,838,150.40

Finding the Fourth Proportional to 28,231,545.60, 42,291,331.20 and 16,838,150.40

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Solution

The fourth proportional to 28,231,545.60, 42,291,331.20 and 16,838,150.40 is: 25,223,833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231,545.60 : 42,291,331.20 = 16,838,150.40 : x
  2. Step 2: Convert to fraction form
    28,231,545.60/42,291,331.20 = 16,838,150.40/x
  3. Step 3: Cross multiply
    28,231,545.60x = 42,291,331.20 × 16,838,150.40
  4. Step 4: Simplify right side
    28,231,545.60x = 712,107,795,361,812.50
  5. Step 5: Solve for x
    x = 712,107,795,361,812.50/28,231,545.60
  6. Step 6: Final answer
    x = 25,223,833.14

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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.