Home / 40,747,182.18-61,114,128.93-11,986,591.38

Finding the Fourth Proportional to 40,747,182.18, 61,114,128.93 and 11,986,591.38

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Solution

The fourth proportional to 40,747,182.18, 61,114,128.93 and 11,986,591.38 is: 17,977,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,747,182.18 : 61,114,128.93 = 11,986,591.38 : x
  2. Step 2: Convert to fraction form
    40,747,182.18/61,114,128.93 = 11,986,591.38/x
  3. Step 3: Cross multiply
    40,747,182.18x = 61,114,128.93 × 11,986,591.38
  4. Step 4: Simplify right side
    40,747,182.18x = 732,550,091,028,546.62
  5. Step 5: Solve for x
    x = 732,550,091,028,546.62/40,747,182.18
  6. Step 6: Final answer
    x = 17,977,932.51

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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.