Home / 20,267,866.60-30,414,278.08-7,969,665.76

Finding the Fourth Proportional to 20,267,866.60, 30,414,278.08 and 7,969,665.76

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Solution

The fourth proportional to 20,267,866.60, 30,414,278.08 and 7,969,665.76 is: 11,959,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267,866.60 : 30,414,278.08 = 7,969,665.76 : x
  2. Step 2: Convert to fraction form
    20,267,866.60/30,414,278.08 = 7,969,665.76/x
  3. Step 3: Cross multiply
    20,267,866.60x = 30,414,278.08 × 7,969,665.76
  4. Step 4: Simplify right side
    20,267,866.60x = 242,391,630,629,294.53
  5. Step 5: Solve for x
    x = 242,391,630,629,294.53/20,267,866.60
  6. Step 6: Final answer
    x = 11,959,405.27

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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.