Home / 15,146,039.29-22,714,920.88-5,428,841.12

Finding the Fourth Proportional to 15,146,039.29, 22,714,920.88 and 5,428,841.12

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Solution

The fourth proportional to 15,146,039.29, 22,714,920.88 and 5,428,841.12 is: 8,141,778.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146,039.29 : 22,714,920.88 = 5,428,841.12 : x
  2. Step 2: Convert to fraction form
    15,146,039.29/22,714,920.88 = 5,428,841.12/x
  3. Step 3: Cross multiply
    15,146,039.29x = 22,714,920.88 × 5,428,841.12
  4. Step 4: Simplify right side
    15,146,039.29x = 123,315,696,397,315.98
  5. Step 5: Solve for x
    x = 123,315,696,397,315.98/15,146,039.29
  6. Step 6: Final answer
    x = 8,141,778.46

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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.