Home / 9,151,876.11-12,629,348.78-5,021,894.55

Finding the Fourth Proportional to 9,151,876.11, 12,629,348.78 and 5,021,894.55

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Solution

The fourth proportional to 9,151,876.11, 12,629,348.78 and 5,021,894.55 is: 6,930,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151,876.11 : 12,629,348.78 = 5,021,894.55 : x
  2. Step 2: Convert to fraction form
    9,151,876.11/12,629,348.78 = 5,021,894.55/x
  3. Step 3: Cross multiply
    9,151,876.11x = 12,629,348.78 × 5,021,894.55
  4. Step 4: Simplify right side
    9,151,876.11x = 63,423,257,783,221.67
  5. Step 5: Solve for x
    x = 63,423,257,783,221.67/9,151,876.11
  6. Step 6: Final answer
    x = 6,930,082.64

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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.