Home / 47,709,759.79-71,498,430.11-21,738,591.03

Finding the Fourth Proportional to 47,709,759.79, 71,498,430.11 and 21,738,591.03

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Solution

The fourth proportional to 47,709,759.79, 71,498,430.11 and 21,738,591.03 is: 32,577,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,709,759.79 : 71,498,430.11 = 21,738,591.03 : x
  2. Step 2: Convert to fraction form
    47,709,759.79/71,498,430.11 = 21,738,591.03/x
  3. Step 3: Cross multiply
    47,709,759.79x = 71,498,430.11 × 21,738,591.03
  4. Step 4: Simplify right side
    47,709,759.79x = 1,554,275,131,448,328
  5. Step 5: Solve for x
    x = 1,554,275,131,448,328/47,709,759.79
  6. Step 6: Final answer
    x = 32,577,718.65

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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.