Home / 18,169,003.50-27,259,410.14-12,128,290.80

Finding the Fourth Proportional to 18,169,003.50, 27,259,410.14 and 12,128,290.80

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Solution

The fourth proportional to 18,169,003.50, 27,259,410.14 and 12,128,290.80 is: 18,196,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169,003.50 : 27,259,410.14 = 12,128,290.80 : x
  2. Step 2: Convert to fraction form
    18,169,003.50/27,259,410.14 = 12,128,290.80/x
  3. Step 3: Cross multiply
    18,169,003.50x = 27,259,410.14 × 12,128,290.80
  4. Step 4: Simplify right side
    18,169,003.50x = 330,610,053,318,573.50
  5. Step 5: Solve for x
    x = 330,610,053,318,573.50/18,169,003.50
  6. Step 6: Final answer
    x = 18,196,377.87

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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.