Home / 13,815,182.27-20,729,760.87-9,207,312.69

Finding the Fourth Proportional to 13,815,182.27, 20,729,760.87 and 9,207,312.69

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Solution

The fourth proportional to 13,815,182.27, 20,729,760.87 and 9,207,312.69 is: 13,815,625.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,182.27 : 20,729,760.87 = 9,207,312.69 : x
  2. Step 2: Convert to fraction form
    13,815,182.27/20,729,760.87 = 9,207,312.69/x
  3. Step 3: Cross multiply
    13,815,182.27x = 20,729,760.87 × 9,207,312.69
  4. Step 4: Simplify right side
    13,815,182.27x = 190,865,390,431,280.47
  5. Step 5: Solve for x
    x = 190,865,390,431,280.47/13,815,182.27
  6. Step 6: Final answer
    x = 13,815,625.93

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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.