Home / 6,722,207.15-10,078,142.09-3,480,269.42

Finding the Fourth Proportional to 6,722,207.15, 10,078,142.09 and 3,480,269.42

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Solution

The fourth proportional to 6,722,207.15, 10,078,142.09 and 3,480,269.42 is: 5,217,728.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722,207.15 : 10,078,142.09 = 3,480,269.42 : x
  2. Step 2: Convert to fraction form
    6,722,207.15/10,078,142.09 = 3,480,269.42/x
  3. Step 3: Cross multiply
    6,722,207.15x = 10,078,142.09 × 3,480,269.42
  4. Step 4: Simplify right side
    6,722,207.15x = 35,074,649,684,551.85
  5. Step 5: Solve for x
    x = 35,074,649,684,551.85/6,722,207.15
  6. Step 6: Final answer
    x = 5,217,728.18

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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.