Home / 8,129,377.13-12,198,789.63-3,641,653.13

Finding the Fourth Proportional to 8,129,377.13, 12,198,789.63 and 3,641,653.13

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Solution

The fourth proportional to 8,129,377.13, 12,198,789.63 and 3,641,653.13 is: 5,464,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,377.13 : 12,198,789.63 = 3,641,653.13 : x
  2. Step 2: Convert to fraction form
    8,129,377.13/12,198,789.63 = 3,641,653.13/x
  3. Step 3: Cross multiply
    8,129,377.13x = 12,198,789.63 × 3,641,653.13
  4. Step 4: Simplify right side
    8,129,377.13x = 44,423,760,377,307.09
  5. Step 5: Solve for x
    x = 44,423,760,377,307.09/8,129,377.13
  6. Step 6: Final answer
    x = 5,464,595.83

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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.