Home / 31,983,697.09-47,964,320.25-8,948,441.62

Finding the Fourth Proportional to 31,983,697.09, 47,964,320.25 and 8,948,441.62

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Solution

The fourth proportional to 31,983,697.09, 47,964,320.25 and 8,948,441.62 is: 13,419,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983,697.09 : 47,964,320.25 = 8,948,441.62 : x
  2. Step 2: Convert to fraction form
    31,983,697.09/47,964,320.25 = 8,948,441.62/x
  3. Step 3: Cross multiply
    31,983,697.09x = 47,964,320.25 × 8,948,441.62
  4. Step 4: Simplify right side
    31,983,697.09x = 429,205,919,600,108.75
  5. Step 5: Solve for x
    x = 429,205,919,600,108.75/31,983,697.09
  6. Step 6: Final answer
    x = 13,419,521.78

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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.