Home / 10,143,833.90-15,217,172.13-3,320,941.10

Finding the Fourth Proportional to 10,143,833.90, 15,217,172.13 and 3,320,941.10

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Solution

The fourth proportional to 10,143,833.90, 15,217,172.13 and 3,320,941.10 is: 4,981,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,833.90 : 15,217,172.13 = 3,320,941.10 : x
  2. Step 2: Convert to fraction form
    10,143,833.90/15,217,172.13 = 3,320,941.10/x
  3. Step 3: Cross multiply
    10,143,833.90x = 15,217,172.13 × 3,320,941.10
  4. Step 4: Simplify right side
    10,143,833.90x = 50,535,332,352,291.55
  5. Step 5: Solve for x
    x = 50,535,332,352,291.55/10,143,833.90
  6. Step 6: Final answer
    x = 4,981,876.96

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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.