Home / 22,711,500.72-31,341,927.24-12,398,230.80

Finding the Fourth Proportional to 22,711,500.72, 31,341,927.24 and 12,398,230.80

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Solution

The fourth proportional to 22,711,500.72, 31,341,927.24 and 12,398,230.80 is: 17,109,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,711,500.72 : 31,341,927.24 = 12,398,230.80 : x
  2. Step 2: Convert to fraction form
    22,711,500.72/31,341,927.24 = 12,398,230.80/x
  3. Step 3: Cross multiply
    22,711,500.72x = 31,341,927.24 × 12,398,230.80
  4. Step 4: Simplify right side
    22,711,500.72x = 388,584,447,638,327
  5. Step 5: Solve for x
    x = 388,584,447,638,327/22,711,500.72
  6. Step 6: Final answer
    x = 17,109,589.21

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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.