Home / 31,692,063.28-47,555,757.78-17,118,689.08

Finding the Fourth Proportional to 31,692,063.28, 47,555,757.78 and 17,118,689.08

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Solution

The fourth proportional to 31,692,063.28, 47,555,757.78 and 17,118,689.08 is: 25,687,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,692,063.28 : 47,555,757.78 = 17,118,689.08 : x
  2. Step 2: Convert to fraction form
    31,692,063.28/47,555,757.78 = 17,118,689.08/x
  3. Step 3: Cross multiply
    31,692,063.28x = 47,555,757.78 × 17,118,689.08
  4. Step 4: Simplify right side
    31,692,063.28x = 814,092,231,399,611
  5. Step 5: Solve for x
    x = 814,092,231,399,611/31,692,063.28
  6. Step 6: Final answer
    x = 25,687,574.34

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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.