Home / 18,452,101.20-27,678,151.80-7,665,817.20

Finding the Fourth Proportional to 18,452,101.20, 27,678,151.80 and 7,665,817.20

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Solution

The fourth proportional to 18,452,101.20, 27,678,151.80 and 7,665,817.20 is: 11,498,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,101.20 : 27,678,151.80 = 7,665,817.20 : x
  2. Step 2: Convert to fraction form
    18,452,101.20/27,678,151.80 = 7,665,817.20/x
  3. Step 3: Cross multiply
    18,452,101.20x = 27,678,151.80 × 7,665,817.20
  4. Step 4: Simplify right side
    18,452,101.20x = 212,175,652,132,650.97
  5. Step 5: Solve for x
    x = 212,175,652,132,650.97/18,452,101.20
  6. Step 6: Final answer
    x = 11,498,725.80

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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.