Home / 14,912,280.82-22,320,575.36-7,978,414.33

Finding the Fourth Proportional to 14,912,280.82, 22,320,575.36 and 7,978,414.33

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Solution

The fourth proportional to 14,912,280.82, 22,320,575.36 and 7,978,414.33 is: 11,942,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912,280.82 : 22,320,575.36 = 7,978,414.33 : x
  2. Step 2: Convert to fraction form
    14,912,280.82/22,320,575.36 = 7,978,414.33/x
  3. Step 3: Cross multiply
    14,912,280.82x = 22,320,575.36 × 7,978,414.33
  4. Step 4: Simplify right side
    14,912,280.82x = 178,082,798,306,068.91
  5. Step 5: Solve for x
    x = 178,082,798,306,068.91/14,912,280.82
  6. Step 6: Final answer
    x = 11,942,022.85

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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.