Home / 18,660,751.88-25,751,957.13-10,401,337.91

Finding the Fourth Proportional to 18,660,751.88, 25,751,957.13 and 10,401,337.91

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Solution

The fourth proportional to 18,660,751.88, 25,751,957.13 and 10,401,337.91 is: 14,353,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660,751.88 : 25,751,957.13 = 10,401,337.91 : x
  2. Step 2: Convert to fraction form
    18,660,751.88/25,751,957.13 = 10,401,337.91/x
  3. Step 3: Cross multiply
    18,660,751.88x = 25,751,957.13 × 10,401,337.91
  4. Step 4: Simplify right side
    18,660,751.88x = 267,854,807,952,963.78
  5. Step 5: Solve for x
    x = 267,854,807,952,963.78/18,660,751.88
  6. Step 6: Final answer
    x = 14,353,912.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.