Home / 18,858,079.80-28,245,129.30-16,338,655.80

Finding the Fourth Proportional to 18,858,079.80, 28,245,129.30 and 16,338,655.80

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Solution

The fourth proportional to 18,858,079.80, 28,245,129.30 and 16,338,655.80 is: 24,471,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858,079.80 : 28,245,129.30 = 16,338,655.80 : x
  2. Step 2: Convert to fraction form
    18,858,079.80/28,245,129.30 = 16,338,655.80/x
  3. Step 3: Cross multiply
    18,858,079.80x = 28,245,129.30 × 16,338,655.80
  4. Step 4: Simplify right side
    18,858,079.80x = 461,487,445,659,195
  5. Step 5: Solve for x
    x = 461,487,445,659,195/18,858,079.80
  6. Step 6: Final answer
    x = 24,471,603.18

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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.