Home / 13,578,062.38-18,737,764.87-7,383,111.50

Finding the Fourth Proportional to 13,578,062.38, 18,737,764.87 and 7,383,111.50

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Solution

The fourth proportional to 13,578,062.38, 18,737,764.87 and 7,383,111.50 is: 10,188,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578,062.38 : 18,737,764.87 = 7,383,111.50 : x
  2. Step 2: Convert to fraction form
    13,578,062.38/18,737,764.87 = 7,383,111.50/x
  3. Step 3: Cross multiply
    13,578,062.38x = 18,737,764.87 × 7,383,111.50
  4. Step 4: Simplify right side
    13,578,062.38x = 138,343,007,324,379.64
  5. Step 5: Solve for x
    x = 138,343,007,324,379.64/13,578,062.38
  6. Step 6: Final answer
    x = 10,188,714.96

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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.