Home / 10,869,532.62-16,306,968.42-5,407,204.86

Finding the Fourth Proportional to 10,869,532.62, 16,306,968.42 and 5,407,204.86

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Solution

The fourth proportional to 10,869,532.62, 16,306,968.42 and 5,407,204.86 is: 8,112,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869,532.62 : 16,306,968.42 = 5,407,204.86 : x
  2. Step 2: Convert to fraction form
    10,869,532.62/16,306,968.42 = 5,407,204.86/x
  3. Step 3: Cross multiply
    10,869,532.62x = 16,306,968.42 × 5,407,204.86
  4. Step 4: Simplify right side
    10,869,532.62x = 88,175,118,892,490.53
  5. Step 5: Solve for x
    x = 88,175,118,892,490.53/10,869,532.62
  6. Step 6: Final answer
    x = 8,112,135.27

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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.