Home / 8,149,404.89-12,212,752.55-6,125,287.20

Finding the Fourth Proportional to 8,149,404.89, 12,212,752.55 and 6,125,287.20

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Solution

The fourth proportional to 8,149,404.89, 12,212,752.55 and 6,125,287.20 is: 9,179,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,404.89 : 12,212,752.55 = 6,125,287.20 : x
  2. Step 2: Convert to fraction form
    8,149,404.89/12,212,752.55 = 6,125,287.20/x
  3. Step 3: Cross multiply
    8,149,404.89x = 12,212,752.55 × 6,125,287.20
  4. Step 4: Simplify right side
    8,149,404.89x = 74,806,616,840,655.92
  5. Step 5: Solve for x
    x = 74,806,616,840,655.92/8,149,404.89
  6. Step 6: Final answer
    x = 9,179,396.27

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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.