Home / 31,555,010.55-47,332,515.83-30,279,552.15

Finding the Fourth Proportional to 31,555,010.55, 47,332,515.83 and 30,279,552.15

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Solution

The fourth proportional to 31,555,010.55, 47,332,515.83 and 30,279,552.15 is: 45,419,328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,555,010.55 : 47,332,515.83 = 30,279,552.15 : x
  2. Step 2: Convert to fraction form
    31,555,010.55/47,332,515.83 = 30,279,552.15/x
  3. Step 3: Cross multiply
    31,555,010.55x = 47,332,515.83 × 30,279,552.15
  4. Step 4: Simplify right side
    31,555,010.55x = 1,433,207,381,313,787.75
  5. Step 5: Solve for x
    x = 1,433,207,381,313,787.75/31,555,010.55
  6. Step 6: Final answer
    x = 45,419,328.23

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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.