Home / 31,504,061.40-47,266,589.70-28,117,613.40

Finding the Fourth Proportional to 31,504,061.40, 47,266,589.70 and 28,117,613.40

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Solution

The fourth proportional to 31,504,061.40, 47,266,589.70 and 28,117,613.40 is: 42,185,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,061.40 : 47,266,589.70 = 28,117,613.40 : x
  2. Step 2: Convert to fraction form
    31,504,061.40/47,266,589.70 = 28,117,613.40/x
  3. Step 3: Cross multiply
    31,504,061.40x = 47,266,589.70 × 28,117,613.40
  4. Step 4: Simplify right side
    31,504,061.40x = 1,329,023,695,921,022
  5. Step 5: Solve for x
    x = 1,329,023,695,921,022/31,504,061.40
  6. Step 6: Final answer
    x = 42,185,789.29

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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.