Home / 22,785,974.40-31,443,861.60-12,999,586.56

Finding the Fourth Proportional to 22,785,974.40, 31,443,861.60 and 12,999,586.56

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Solution

The fourth proportional to 22,785,974.40, 31,443,861.60 and 12,999,586.56 is: 17,938,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785,974.40 : 31,443,861.60 = 12,999,586.56 : x
  2. Step 2: Convert to fraction form
    22,785,974.40/31,443,861.60 = 12,999,586.56/x
  3. Step 3: Cross multiply
    22,785,974.40x = 31,443,861.60 × 12,999,586.56
  4. Step 4: Simplify right side
    22,785,974.40x = 408,757,200,649,860.12
  5. Step 5: Solve for x
    x = 408,757,200,649,860.12/22,785,974.40
  6. Step 6: Final answer
    x = 17,938,982.70

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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.