Home / 28,189,059.20-42,315,081.60-26,338,857.20

Finding the Fourth Proportional to 28,189,059.20, 42,315,081.60 and 26,338,857.20

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Solution

The fourth proportional to 28,189,059.20, 42,315,081.60 and 26,338,857.20 is: 39,537,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189,059.20 : 42,315,081.60 = 26,338,857.20 : x
  2. Step 2: Convert to fraction form
    28,189,059.20/42,315,081.60 = 26,338,857.20/x
  3. Step 3: Cross multiply
    28,189,059.20x = 42,315,081.60 × 26,338,857.20
  4. Step 4: Simplify right side
    28,189,059.20x = 1,114,530,891,668,747.50
  5. Step 5: Solve for x
    x = 1,114,530,891,668,747.50/28,189,059.20
  6. Step 6: Final answer
    x = 39,537,711.56

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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.