Home / 22,428,040.45-33,642,060.68-18,442,232.95

Finding the Fourth Proportional to 22,428,040.45, 33,642,060.68 and 18,442,232.95

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Solution

The fourth proportional to 22,428,040.45, 33,642,060.68 and 18,442,232.95 is: 27,663,349.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,040.45 : 33,642,060.68 = 18,442,232.95 : x
  2. Step 2: Convert to fraction form
    22,428,040.45/33,642,060.68 = 18,442,232.95/x
  3. Step 3: Cross multiply
    22,428,040.45x = 33,642,060.68 × 18,442,232.95
  4. Step 4: Simplify right side
    22,428,040.45x = 620,434,719,978,595.38
  5. Step 5: Solve for x
    x = 620,434,719,978,595.38/22,428,040.45
  6. Step 6: Final answer
    x = 27,663,349.43

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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.