Home / 6,511,073.12-9,768,642.38-3,920,217.92

Finding the Fourth Proportional to 6,511,073.12, 9,768,642.38 and 3,920,217.92

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Solution

The fourth proportional to 6,511,073.12, 9,768,642.38 and 3,920,217.92 is: 5,881,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511,073.12 : 9,768,642.38 = 3,920,217.92 : x
  2. Step 2: Convert to fraction form
    6,511,073.12/9,768,642.38 = 3,920,217.92/x
  3. Step 3: Cross multiply
    6,511,073.12x = 9,768,642.38 × 3,920,217.92
  4. Step 4: Simplify right side
    6,511,073.12x = 38,295,206,843,703.15
  5. Step 5: Solve for x
    x = 38,295,206,843,703.15/6,511,073.12
  6. Step 6: Final answer
    x = 5,881,550.73

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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.