Home / 31,536,097.20-47,304,145.80-18,061,844.40

Finding the Fourth Proportional to 31,536,097.20, 47,304,145.80 and 18,061,844.40

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Solution

The fourth proportional to 31,536,097.20, 47,304,145.80 and 18,061,844.40 is: 27,092,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536,097.20 : 47,304,145.80 = 18,061,844.40 : x
  2. Step 2: Convert to fraction form
    31,536,097.20/47,304,145.80 = 18,061,844.40/x
  3. Step 3: Cross multiply
    31,536,097.20x = 47,304,145.80 × 18,061,844.40
  4. Step 4: Simplify right side
    31,536,097.20x = 854,400,120,914,513.38
  5. Step 5: Solve for x
    x = 854,400,120,914,513.38/31,536,097.20
  6. Step 6: Final answer
    x = 27,092,766.60

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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.