Home / 20,779,625.20-31,200,930.60-15,992,719.60

Finding the Fourth Proportional to 20,779,625.20, 31,200,930.60 and 15,992,719.60

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Solution

The fourth proportional to 20,779,625.20, 31,200,930.60 and 15,992,719.60 is: 24,013,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,779,625.20 : 31,200,930.60 = 15,992,719.60 : x
  2. Step 2: Convert to fraction form
    20,779,625.20/31,200,930.60 = 15,992,719.60/x
  3. Step 3: Cross multiply
    20,779,625.20x = 31,200,930.60 × 15,992,719.60
  4. Step 4: Simplify right side
    20,779,625.20x = 498,987,734,344,859.75
  5. Step 5: Solve for x
    x = 498,987,734,344,859.75/20,779,625.20
  6. Step 6: Final answer
    x = 24,013,317.35

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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.