Home / 7,665,666.20-11,498,499.30-7,292,418.20

Finding the Fourth Proportional to 7,665,666.20, 11,498,499.30 and 7,292,418.20

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Solution

The fourth proportional to 7,665,666.20, 11,498,499.30 and 7,292,418.20 is: 10,938,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665,666.20 : 11,498,499.30 = 7,292,418.20 : x
  2. Step 2: Convert to fraction form
    7,665,666.20/11,498,499.30 = 7,292,418.20/x
  3. Step 3: Cross multiply
    7,665,666.20x = 11,498,499.30 × 7,292,418.20
  4. Step 4: Simplify right side
    7,665,666.20x = 83,851,865,568,007.27
  5. Step 5: Solve for x
    x = 83,851,865,568,007.27/7,665,666.20
  6. Step 6: Final answer
    x = 10,938,627.30

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Double scale
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Similar ratio
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1.5x scale

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.