Home / 6,558,778.23-9,817,989.15-4,279,394.55

Finding the Fourth Proportional to 6,558,778.23, 9,817,989.15 and 4,279,394.55

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Solution

The fourth proportional to 6,558,778.23, 9,817,989.15 and 4,279,394.55 is: 6,405,926.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,558,778.23 : 9,817,989.15 = 4,279,394.55 : x
  2. Step 2: Convert to fraction form
    6,558,778.23/9,817,989.15 = 4,279,394.55/x
  3. Step 3: Cross multiply
    6,558,778.23x = 9,817,989.15 × 4,279,394.55
  4. Step 4: Simplify right side
    6,558,778.23x = 42,015,049,260,469.13
  5. Step 5: Solve for x
    x = 42,015,049,260,469.13/6,558,778.23
  6. Step 6: Final answer
    x = 6,405,926.19

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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.