Home / 19,906,227.20-29,859,340.80-15,924,915.20

Finding the Fourth Proportional to 19,906,227.20, 29,859,340.80 and 15,924,915.20

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Solution

The fourth proportional to 19,906,227.20, 29,859,340.80 and 15,924,915.20 is: 23,887,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906,227.20 : 29,859,340.80 = 15,924,915.20 : x
  2. Step 2: Convert to fraction form
    19,906,227.20/29,859,340.80 = 15,924,915.20/x
  3. Step 3: Cross multiply
    19,906,227.20x = 29,859,340.80 × 15,924,915.20
  4. Step 4: Simplify right side
    19,906,227.20x = 475,507,470,167,900.12
  5. Step 5: Solve for x
    x = 475,507,470,167,900.12/19,906,227.20
  6. Step 6: Final answer
    x = 23,887,372.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.