Home / 31,512,710.40-43,487,872.61-17,761,674.52

Finding the Fourth Proportional to 31,512,710.40, 43,487,872.61 and 17,761,674.52

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Solution

The fourth proportional to 31,512,710.40, 43,487,872.61 and 17,761,674.52 is: 24,511,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512,710.40 : 43,487,872.61 = 17,761,674.52 : x
  2. Step 2: Convert to fraction form
    31,512,710.40/43,487,872.61 = 17,761,674.52/x
  3. Step 3: Cross multiply
    31,512,710.40x = 43,487,872.61 × 17,761,674.52
  4. Step 4: Simplify right side
    31,512,710.40x = 772,417,438,866,042.88
  5. Step 5: Solve for x
    x = 772,417,438,866,042.88/31,512,710.40
  6. Step 6: Final answer
    x = 24,511,298.11

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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.