Home / 5,379,013.34-8,057,143.05-4,349,927.78

Finding the Fourth Proportional to 5,379,013.34, 8,057,143.05 and 4,349,927.78

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Solution

The fourth proportional to 5,379,013.34, 8,057,143.05 and 4,349,927.78 is: 6,515,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,013.34 : 8,057,143.05 = 4,349,927.78 : x
  2. Step 2: Convert to fraction form
    5,379,013.34/8,057,143.05 = 4,349,927.78/x
  3. Step 3: Cross multiply
    5,379,013.34x = 8,057,143.05 × 4,349,927.78
  4. Step 4: Simplify right side
    5,379,013.34x = 35,047,990,378,713.61
  5. Step 5: Solve for x
    x = 35,047,990,378,713.61/5,379,013.34
  6. Step 6: Final answer
    x = 6,515,691.29

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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.