Home / 8,161,212.10-12,231,320.55-4,962,943.30

Finding the Fourth Proportional to 8,161,212.10, 12,231,320.55 and 4,962,943.30

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Solution

The fourth proportional to 8,161,212.10, 12,231,320.55 and 4,962,943.30 is: 7,438,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,212.10 : 12,231,320.55 = 4,962,943.30 : x
  2. Step 2: Convert to fraction form
    8,161,212.10/12,231,320.55 = 4,962,943.30/x
  3. Step 3: Cross multiply
    8,161,212.10x = 12,231,320.55 × 4,962,943.30
  4. Step 4: Simplify right side
    8,161,212.10x = 60,703,350,373,774.82
  5. Step 5: Solve for x
    x = 60,703,350,373,774.82/8,161,212.10
  6. Step 6: Final answer
    x = 7,438,031.22

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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.