Home / 31,039,001.52-42,829,940.61-17,986,023.24

Finding the Fourth Proportional to 31,039,001.52, 42,829,940.61 and 17,986,023.24

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Solution

The fourth proportional to 31,039,001.52, 42,829,940.61 and 17,986,023.24 is: 24,818,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,039,001.52 : 42,829,940.61 = 17,986,023.24 : x
  2. Step 2: Convert to fraction form
    31,039,001.52/42,829,940.61 = 17,986,023.24/x
  3. Step 3: Cross multiply
    31,039,001.52x = 42,829,940.61 × 17,986,023.24
  4. Step 4: Simplify right side
    31,039,001.52x = 770,340,307,179,279.75
  5. Step 5: Solve for x
    x = 770,340,307,179,279.75/31,039,001.52
  6. Step 6: Final answer
    x = 24,818,462.88

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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.