Home / 31,604,538.97-47,406,869.44-12,182,910.85

Finding the Fourth Proportional to 31,604,538.97, 47,406,869.44 and 12,182,910.85

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Solution

The fourth proportional to 31,604,538.97, 47,406,869.44 and 12,182,910.85 is: 18,274,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,604,538.97 : 47,406,869.44 = 12,182,910.85 : x
  2. Step 2: Convert to fraction form
    31,604,538.97/47,406,869.44 = 12,182,910.85/x
  3. Step 3: Cross multiply
    31,604,538.97x = 47,406,869.44 × 12,182,910.85
  4. Step 4: Simplify right side
    31,604,538.97x = 577,553,664,162,476.12
  5. Step 5: Solve for x
    x = 577,553,664,162,476.12/31,604,538.97
  6. Step 6: Final answer
    x = 18,274,389.79

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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.