Home / 13,660,002.60-20,476,007.10-7,977,301.80

Finding the Fourth Proportional to 13,660,002.60, 20,476,007.10 and 7,977,301.80

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Solution

The fourth proportional to 13,660,002.60, 20,476,007.10 and 7,977,301.80 is: 11,957,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660,002.60 : 20,476,007.10 = 7,977,301.80 : x
  2. Step 2: Convert to fraction form
    13,660,002.60/20,476,007.10 = 7,977,301.80/x
  3. Step 3: Cross multiply
    13,660,002.60x = 20,476,007.10 × 7,977,301.80
  4. Step 4: Simplify right side
    13,660,002.60x = 163,343,288,295,642.78
  5. Step 5: Solve for x
    x = 163,343,288,295,642.78/13,660,002.60
  6. Step 6: Final answer
    x = 11,957,778.71

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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.