Home / 7,121,245.41-9,827,320.95-3,858,082.65

Finding the Fourth Proportional to 7,121,245.41, 9,827,320.95 and 3,858,082.65

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Solution

The fourth proportional to 7,121,245.41, 9,827,320.95 and 3,858,082.65 is: 5,324,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,245.41 : 9,827,320.95 = 3,858,082.65 : x
  2. Step 2: Convert to fraction form
    7,121,245.41/9,827,320.95 = 3,858,082.65/x
  3. Step 3: Cross multiply
    7,121,245.41x = 9,827,320.95 × 3,858,082.65
  4. Step 4: Simplify right side
    7,121,245.41x = 37,914,616,453,176.52
  5. Step 5: Solve for x
    x = 37,914,616,453,176.52/7,121,245.41
  6. Step 6: Final answer
    x = 5,324,155.29

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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.