Home / 15,151,581.35-20,902,992.30-11,187,353.16

Finding the Fourth Proportional to 15,151,581.35, 20,902,992.30 and 11,187,353.16

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Solution

The fourth proportional to 15,151,581.35, 20,902,992.30 and 11,187,353.16 is: 15,433,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151,581.35 : 20,902,992.30 = 11,187,353.16 : x
  2. Step 2: Convert to fraction form
    15,151,581.35/20,902,992.30 = 11,187,353.16/x
  3. Step 3: Cross multiply
    15,151,581.35x = 20,902,992.30 × 11,187,353.16
  4. Step 4: Simplify right side
    15,151,581.35x = 233,849,156,904,923.94
  5. Step 5: Solve for x
    x = 233,849,156,904,923.94/15,151,581.35
  6. Step 6: Final answer
    x = 15,433,976.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.