Home / 47,709,760.79-71,498,431.61-21,738,592.03

Finding the Fourth Proportional to 47,709,760.79, 71,498,431.61 and 21,738,592.03

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Solution

The fourth proportional to 47,709,760.79, 71,498,431.61 and 21,738,592.03 is: 32,577,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,709,760.79 : 71,498,431.61 = 21,738,592.03 : x
  2. Step 2: Convert to fraction form
    47,709,760.79/71,498,431.61 = 21,738,592.03/x
  3. Step 3: Cross multiply
    47,709,760.79x = 71,498,431.61 × 21,738,592.03
  4. Step 4: Simplify right side
    47,709,760.79x = 1,554,275,235,554,646.25
  5. Step 5: Solve for x
    x = 1,554,275,235,554,646.25/47,709,760.79
  6. Step 6: Final answer
    x = 32,577,720.15

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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.