Home / 8,543,687.61-11,789,834.67-4,675,461.42

Finding the Fourth Proportional to 8,543,687.61, 11,789,834.67 and 4,675,461.42

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Solution

The fourth proportional to 8,543,687.61, 11,789,834.67 and 4,675,461.42 is: 6,451,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543,687.61 : 11,789,834.67 = 4,675,461.42 : x
  2. Step 2: Convert to fraction form
    8,543,687.61/11,789,834.67 = 4,675,461.42/x
  3. Step 3: Cross multiply
    8,543,687.61x = 11,789,834.67 × 4,675,461.42
  4. Step 4: Simplify right side
    8,543,687.61x = 55,122,917,147,763.43
  5. Step 5: Solve for x
    x = 55,122,917,147,763.43/8,543,687.61
  6. Step 6: Final answer
    x = 6,451,888.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.