Home / 18,753,174.34-28,134,003.75-5,974,406.98

Finding the Fourth Proportional to 18,753,174.34, 28,134,003.75 and 5,974,406.98

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Solution

The fourth proportional to 18,753,174.34, 28,134,003.75 and 5,974,406.98 is: 8,962,961.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753,174.34 : 28,134,003.75 = 5,974,406.98 : x
  2. Step 2: Convert to fraction form
    18,753,174.34/28,134,003.75 = 5,974,406.98/x
  3. Step 3: Cross multiply
    18,753,174.34x = 28,134,003.75 × 5,974,406.98
  4. Step 4: Simplify right side
    18,753,174.34x = 168,083,988,379,346.19
  5. Step 5: Solve for x
    x = 168,083,988,379,346.19/18,753,174.34
  6. Step 6: Final answer
    x = 8,962,961.97

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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.