Home / 20,917,265.10-31,375,897.65-7,449,233.10

Finding the Fourth Proportional to 20,917,265.10, 31,375,897.65 and 7,449,233.10

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Solution

The fourth proportional to 20,917,265.10, 31,375,897.65 and 7,449,233.10 is: 11,173,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,917,265.10 : 31,375,897.65 = 7,449,233.10 : x
  2. Step 2: Convert to fraction form
    20,917,265.10/31,375,897.65 = 7,449,233.10/x
  3. Step 3: Cross multiply
    20,917,265.10x = 31,375,897.65 × 7,449,233.10
  4. Step 4: Simplify right side
    20,917,265.10x = 233,726,375,316,592.19
  5. Step 5: Solve for x
    x = 233,726,375,316,592.19/20,917,265.10
  6. Step 6: Final answer
    x = 11,173,849.65

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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.