Home / 15,049,838.97-20,768,837.27-8,174,435.85

Finding the Fourth Proportional to 15,049,838.97, 20,768,837.27 and 8,174,435.85

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Solution

The fourth proportional to 15,049,838.97, 20,768,837.27 and 8,174,435.85 is: 11,280,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049,838.97 : 20,768,837.27 = 8,174,435.85 : x
  2. Step 2: Convert to fraction form
    15,049,838.97/20,768,837.27 = 8,174,435.85/x
  3. Step 3: Cross multiply
    15,049,838.97x = 20,768,837.27 × 8,174,435.85
  4. Step 4: Simplify right side
    15,049,838.97x = 169,773,527,901,831.94
  5. Step 5: Solve for x
    x = 169,773,527,901,831.94/15,049,838.97
  6. Step 6: Final answer
    x = 11,280,753.78

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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.