Home / 18,485,437.91-27,730,679.00-7,700,216.47

Finding the Fourth Proportional to 18,485,437.91, 27,730,679.00 and 7,700,216.47

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Solution

The fourth proportional to 18,485,437.91, 27,730,679.00 and 7,700,216.47 is: 11,551,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485,437.91 : 27,730,679.00 = 7,700,216.47 : x
  2. Step 2: Convert to fraction form
    18,485,437.91/27,730,679.00 = 7,700,216.47/x
  3. Step 3: Cross multiply
    18,485,437.91x = 27,730,679.00 × 7,700,216.47
  4. Step 4: Simplify right side
    18,485,437.91x = 213,532,231,052,255.38
  5. Step 5: Solve for x
    x = 213,532,231,052,255.38/18,485,437.91
  6. Step 6: Final answer
    x = 11,551,375.31

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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.