Home / 23,117,001.78-31,901,977.92-13,193,685.42

Finding the Fourth Proportional to 23,117,001.78, 31,901,977.92 and 13,193,685.42

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Solution

The fourth proportional to 23,117,001.78, 31,901,977.92 and 13,193,685.42 is: 18,207,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,117,001.78 : 31,901,977.92 = 13,193,685.42 : x
  2. Step 2: Convert to fraction form
    23,117,001.78/31,901,977.92 = 13,193,685.42/x
  3. Step 3: Cross multiply
    23,117,001.78x = 31,901,977.92 × 13,193,685.42
  4. Step 4: Simplify right side
    23,117,001.78x = 420,904,660,952,265.94
  5. Step 5: Solve for x
    x = 420,904,660,952,265.94/23,117,001.78
  6. Step 6: Final answer
    x = 18,207,580.07

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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.