Home / 27,696,080.74-38,218,589.88-15,306,025.90

Finding the Fourth Proportional to 27,696,080.74, 38,218,589.88 and 15,306,025.90

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Solution

The fourth proportional to 27,696,080.74, 38,218,589.88 and 15,306,025.90 is: 21,121,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,696,080.74 : 38,218,589.88 = 15,306,025.90 : x
  2. Step 2: Convert to fraction form
    27,696,080.74/38,218,589.88 = 15,306,025.90/x
  3. Step 3: Cross multiply
    27,696,080.74x = 38,218,589.88 × 15,306,025.90
  4. Step 4: Simplify right side
    27,696,080.74x = 584,974,726,564,758
  5. Step 5: Solve for x
    x = 584,974,726,564,758/27,696,080.74
  6. Step 6: Final answer
    x = 21,121,209.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.