Home / 9,112,879.35-13,676,500.91-3,998,839.21

Finding the Fourth Proportional to 9,112,879.35, 13,676,500.91 and 3,998,839.21

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Solution

The fourth proportional to 9,112,879.35, 13,676,500.91 and 3,998,839.21 is: 6,001,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112,879.35 : 13,676,500.91 = 3,998,839.21 : x
  2. Step 2: Convert to fraction form
    9,112,879.35/13,676,500.91 = 3,998,839.21/x
  3. Step 3: Cross multiply
    9,112,879.35x = 13,676,500.91 × 3,998,839.21
  4. Step 4: Simplify right side
    9,112,879.35x = 54,690,128,070,314.52
  5. Step 5: Solve for x
    x = 54,690,128,070,314.52/9,112,879.35
  6. Step 6: Final answer
    x = 6,001,410.31

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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.