Home / 18,858,039.30-28,245,068.55-16,338,615.30

Finding the Fourth Proportional to 18,858,039.30, 28,245,068.55 and 16,338,615.30

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Solution

The fourth proportional to 18,858,039.30, 28,245,068.55 and 16,338,615.30 is: 24,471,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858,039.30 : 28,245,068.55 = 16,338,615.30 : x
  2. Step 2: Convert to fraction form
    18,858,039.30/28,245,068.55 = 16,338,615.30/x
  3. Step 3: Cross multiply
    18,858,039.30x = 28,245,068.55 × 16,338,615.30
  4. Step 4: Simplify right side
    18,858,039.30x = 461,485,309,160,578.88
  5. Step 5: Solve for x
    x = 461,485,309,160,578.88/18,858,039.30
  6. Step 6: Final answer
    x = 24,471,542.45

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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.