Home / 38,987,430.80-58,481,146.20-10,236,472.70

Finding the Fourth Proportional to 38,987,430.80, 58,481,146.20 and 10,236,472.70

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Solution

The fourth proportional to 38,987,430.80, 58,481,146.20 and 10,236,472.70 is: 15,354,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,987,430.80 : 58,481,146.20 = 10,236,472.70 : x
  2. Step 2: Convert to fraction form
    38,987,430.80/58,481,146.20 = 10,236,472.70/x
  3. Step 3: Cross multiply
    38,987,430.80x = 58,481,146.20 × 10,236,472.70
  4. Step 4: Simplify right side
    38,987,430.80x = 598,640,656,541,008.75
  5. Step 5: Solve for x
    x = 598,640,656,541,008.75/38,987,430.80
  6. Step 6: Final answer
    x = 15,354,709.05

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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.