Home / 47,387,065.12-71,080,598.46-11,485,273.12

Finding the Fourth Proportional to 47,387,065.12, 71,080,598.46 and 11,485,273.12

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Solution

The fourth proportional to 47,387,065.12, 71,080,598.46 and 11,485,273.12 is: 17,227,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,387,065.12 : 71,080,598.46 = 11,485,273.12 : x
  2. Step 2: Convert to fraction form
    47,387,065.12/71,080,598.46 = 11,485,273.12/x
  3. Step 3: Cross multiply
    47,387,065.12x = 71,080,598.46 × 11,485,273.12
  4. Step 4: Simplify right side
    47,387,065.12x = 816,380,086,846,151.25
  5. Step 5: Solve for x
    x = 816,380,086,846,151.25/47,387,065.12
  6. Step 6: Final answer
    x = 17,227,909.87

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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.