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Finding the Fourth Proportional to 6,452,494.40, 9,683,990.40 and 6,242,542.40

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Solution

The fourth proportional to 6,452,494.40, 9,683,990.40 and 6,242,542.40 is: 9,368,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,452,494.40 : 9,683,990.40 = 6,242,542.40 : x
  2. Step 2: Convert to fraction form
    6,452,494.40/9,683,990.40 = 6,242,542.40/x
  3. Step 3: Cross multiply
    6,452,494.40x = 9,683,990.40 × 6,242,542.40
  4. Step 4: Simplify right side
    6,452,494.40x = 60,452,720,673,192.97
  5. Step 5: Solve for x
    x = 60,452,720,673,192.97/6,452,494.40
  6. Step 6: Final answer
    x = 9,368,891.61

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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.