Home / 7,984,149.17-11,985,176.24-3,195,176.45

Finding the Fourth Proportional to 7,984,149.17, 11,985,176.24 and 3,195,176.45

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Solution

The fourth proportional to 7,984,149.17, 11,985,176.24 and 3,195,176.45 is: 4,796,347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984,149.17 : 11,985,176.24 = 3,195,176.45 : x
  2. Step 2: Convert to fraction form
    7,984,149.17/11,985,176.24 = 3,195,176.45/x
  3. Step 3: Cross multiply
    7,984,149.17x = 11,985,176.24 × 3,195,176.45
  4. Step 4: Simplify right side
    7,984,149.17x = 38,294,752,855,171.66
  5. Step 5: Solve for x
    x = 38,294,752,855,171.66/7,984,149.17
  6. Step 6: Final answer
    x = 4,796,347.37

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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.