Home / 22,591,711.02-31,176,766.11-12,278,458.86

Finding the Fourth Proportional to 22,591,711.02, 31,176,766.11 and 12,278,458.86

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Solution

The fourth proportional to 22,591,711.02, 31,176,766.11 and 12,278,458.86 is: 16,944,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,591,711.02 : 31,176,766.11 = 12,278,458.86 : x
  2. Step 2: Convert to fraction form
    22,591,711.02/31,176,766.11 = 12,278,458.86/x
  3. Step 3: Cross multiply
    22,591,711.02x = 31,176,766.11 × 12,278,458.86
  4. Step 4: Simplify right side
    22,591,711.02x = 382,802,640,069,477.19
  5. Step 5: Solve for x
    x = 382,802,640,069,477.19/22,591,711.02
  6. Step 6: Final answer
    x = 16,944,384.59

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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.