Home / 18,192,003.40-27,288,005.10-7,403,751.10

Finding the Fourth Proportional to 18,192,003.40, 27,288,005.10 and 7,403,751.10

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Solution

The fourth proportional to 18,192,003.40, 27,288,005.10 and 7,403,751.10 is: 11,105,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192,003.40 : 27,288,005.10 = 7,403,751.10 : x
  2. Step 2: Convert to fraction form
    18,192,003.40/27,288,005.10 = 7,403,751.10/x
  3. Step 3: Cross multiply
    18,192,003.40x = 27,288,005.10 × 7,403,751.10
  4. Step 4: Simplify right side
    18,192,003.40x = 202,033,597,775,930.62
  5. Step 5: Solve for x
    x = 202,033,597,775,930.62/18,192,003.40
  6. Step 6: Final answer
    x = 11,105,626.65

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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.