Home / 19,872,175.20-29,771,521.20-11,327,128.80

Finding the Fourth Proportional to 19,872,175.20, 29,771,521.20 and 11,327,128.80

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Solution

The fourth proportional to 19,872,175.20, 29,771,521.20 and 11,327,128.80 is: 16,969,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,175.20 : 29,771,521.20 = 11,327,128.80 : x
  2. Step 2: Convert to fraction form
    19,872,175.20/29,771,521.20 = 11,327,128.80/x
  3. Step 3: Cross multiply
    19,872,175.20x = 29,771,521.20 × 11,327,128.80
  4. Step 4: Simplify right side
    19,872,175.20x = 337,225,855,204,330.56
  5. Step 5: Solve for x
    x = 337,225,855,204,330.56/19,872,175.20
  6. Step 6: Final answer
    x = 16,969,750.51

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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.