Home / 31,740,964.98-47,611,021.82-8,711,872.28

Finding the Fourth Proportional to 31,740,964.98, 47,611,021.82 and 8,711,872.28

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Solution

The fourth proportional to 31,740,964.98, 47,611,021.82 and 8,711,872.28 is: 13,067,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,740,964.98 : 47,611,021.82 = 8,711,872.28 : x
  2. Step 2: Convert to fraction form
    31,740,964.98/47,611,021.82 = 8,711,872.28/x
  3. Step 3: Cross multiply
    31,740,964.98x = 47,611,021.82 × 8,711,872.28
  4. Step 4: Simplify right side
    31,740,964.98x = 414,781,141,216,133.12
  5. Step 5: Solve for x
    x = 414,781,141,216,133.12/31,740,964.98
  6. Step 6: Final answer
    x = 13,067,691.59

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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.