Home / 7,524,891.36-10,384,379.82-4,087,189.80

Finding the Fourth Proportional to 7,524,891.36, 10,384,379.82 and 4,087,189.80

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Solution

The fourth proportional to 7,524,891.36, 10,384,379.82 and 4,087,189.80 is: 5,640,338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524,891.36 : 10,384,379.82 = 4,087,189.80 : x
  2. Step 2: Convert to fraction form
    7,524,891.36/10,384,379.82 = 4,087,189.80/x
  3. Step 3: Cross multiply
    7,524,891.36x = 10,384,379.82 × 4,087,189.80
  4. Step 4: Simplify right side
    7,524,891.36x = 42,442,931,279,629.84
  5. Step 5: Solve for x
    x = 42,442,931,279,629.84/7,524,891.36
  6. Step 6: Final answer
    x = 5,640,338.08

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Double scale
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1.5x scale

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.