Home / 11,780,405.80-17,665,359.90-5,392,616.20

Finding the Fourth Proportional to 11,780,405.80, 17,665,359.90 and 5,392,616.20

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Solution

The fourth proportional to 11,780,405.80, 17,665,359.90 and 5,392,616.20 is: 8,086,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780,405.80 : 17,665,359.90 = 5,392,616.20 : x
  2. Step 2: Convert to fraction form
    11,780,405.80/17,665,359.90 = 5,392,616.20/x
  3. Step 3: Cross multiply
    11,780,405.80x = 17,665,359.90 × 5,392,616.20
  4. Step 4: Simplify right side
    11,780,405.80x = 95,262,505,975,570.38
  5. Step 5: Solve for x
    x = 95,262,505,975,570.38/11,780,405.80
  6. Step 6: Final answer
    x = 8,086,521.60

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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.