Home / 25,510,892.92-38,288,449.95-13,388,920.54

Finding the Fourth Proportional to 25,510,892.92, 38,288,449.95 and 13,388,920.54

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Solution

The fourth proportional to 25,510,892.92, 38,288,449.95 and 13,388,920.54 is: 20,094,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,510,892.92 : 38,288,449.95 = 13,388,920.54 : x
  2. Step 2: Convert to fraction form
    25,510,892.92/38,288,449.95 = 13,388,920.54/x
  3. Step 3: Cross multiply
    25,510,892.92x = 38,288,449.95 × 13,388,920.54
  4. Step 4: Simplify right side
    25,510,892.92x = 512,641,013,980,317
  5. Step 5: Solve for x
    x = 512,641,013,980,317/25,510,892.92
  6. Step 6: Final answer
    x = 20,094,985.13

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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.