Home / 31,854,575.80-47,788,007.70-13,658,505.40

Finding the Fourth Proportional to 31,854,575.80, 47,788,007.70 and 13,658,505.40

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Solution

The fourth proportional to 31,854,575.80, 47,788,007.70 and 13,658,505.40 is: 20,490,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,854,575.80 : 47,788,007.70 = 13,658,505.40 : x
  2. Step 2: Convert to fraction form
    31,854,575.80/47,788,007.70 = 13,658,505.40/x
  3. Step 3: Cross multiply
    31,854,575.80x = 47,788,007.70 × 13,658,505.40
  4. Step 4: Simplify right side
    31,854,575.80x = 652,712,761,225,691.62
  5. Step 5: Solve for x
    x = 652,712,761,225,691.62/31,854,575.80
  6. Step 6: Final answer
    x = 20,490,392.51

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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.