Home / 40,930,906.30-61,405,216.80-12,179,948.20

Finding the Fourth Proportional to 40,930,906.30, 61,405,216.80 and 12,179,948.20

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Solution

The fourth proportional to 40,930,906.30, 61,405,216.80 and 12,179,948.20 is: 18,272,558.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,930,906.30 : 61,405,216.80 = 12,179,948.20 : x
  2. Step 2: Convert to fraction form
    40,930,906.30/61,405,216.80 = 12,179,948.20/x
  3. Step 3: Cross multiply
    40,930,906.30x = 61,405,216.80 × 12,179,948.20
  4. Step 4: Simplify right side
    40,930,906.30x = 747,912,359,833,769.62
  5. Step 5: Solve for x
    x = 747,912,359,833,769.62/40,930,906.30
  6. Step 6: Final answer
    x = 18,272,558.01

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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.