Home / 9,195,380.48-12,690,621.90-5,065,834.78

Finding the Fourth Proportional to 9,195,380.48, 12,690,621.90 and 5,065,834.78

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Solution

The fourth proportional to 9,195,380.48, 12,690,621.90 and 5,065,834.78 is: 6,991,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195,380.48 : 12,690,621.90 = 5,065,834.78 : x
  2. Step 2: Convert to fraction form
    9,195,380.48/12,690,621.90 = 5,065,834.78/x
  3. Step 3: Cross multiply
    9,195,380.48x = 12,690,621.90 × 5,065,834.78
  4. Step 4: Simplify right side
    9,195,380.48x = 64,288,593,800,849.69
  5. Step 5: Solve for x
    x = 64,288,593,800,849.69/9,195,380.48
  6. Step 6: Final answer
    x = 6,991,401.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.