Home / 31,512,806.73-43,523,545.50-21,181,593.69

Finding the Fourth Proportional to 31,512,806.73, 43,523,545.50 and 21,181,593.69

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Solution

The fourth proportional to 31,512,806.73, 43,523,545.50 and 21,181,593.69 is: 29,254,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512,806.73 : 43,523,545.50 = 21,181,593.69 : x
  2. Step 2: Convert to fraction form
    31,512,806.73/43,523,545.50 = 21,181,593.69/x
  3. Step 3: Cross multiply
    31,512,806.73x = 43,523,545.50 × 21,181,593.69
  4. Step 4: Simplify right side
    31,512,806.73x = 921,898,056,729,228
  5. Step 5: Solve for x
    x = 921,898,056,729,228/31,512,806.73
  6. Step 6: Final answer
    x = 29,254,711.10

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1.5x scale

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.