Home / 6,909,093.18-10,343,169.42-5,120,006.90

Finding the Fourth Proportional to 6,909,093.18, 10,343,169.42 and 5,120,006.90

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Solution

The fourth proportional to 6,909,093.18, 10,343,169.42 and 5,120,006.90 is: 7,664,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,093.18 : 10,343,169.42 = 5,120,006.90 : x
  2. Step 2: Convert to fraction form
    6,909,093.18/10,343,169.42 = 5,120,006.90/x
  3. Step 3: Cross multiply
    6,909,093.18x = 10,343,169.42 × 5,120,006.90
  4. Step 4: Simplify right side
    6,909,093.18x = 52,957,098,746,553.15
  5. Step 5: Solve for x
    x = 52,957,098,746,553.15/6,909,093.18
  6. Step 6: Final answer
    x = 7,664,840.72

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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.