Home / 21,051,398.97-31,532,327.10-10,105,452.59

Finding the Fourth Proportional to 21,051,398.97, 31,532,327.10 and 10,105,452.59

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Solution

The fourth proportional to 21,051,398.97, 31,532,327.10 and 10,105,452.59 is: 15,136,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051,398.97 : 31,532,327.10 = 10,105,452.59 : x
  2. Step 2: Convert to fraction form
    21,051,398.97/31,532,327.10 = 10,105,452.59/x
  3. Step 3: Cross multiply
    21,051,398.97x = 31,532,327.10 × 10,105,452.59
  4. Step 4: Simplify right side
    21,051,398.97x = 318,648,436,403,760.62
  5. Step 5: Solve for x
    x = 318,648,436,403,760.62/21,051,398.97
  6. Step 6: Final answer
    x = 15,136,686.97

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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.