Home / 8,610,042.72-11,881,757.13-4,689,786.53

Finding the Fourth Proportional to 8,610,042.72, 11,881,757.13 and 4,689,786.53

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Solution

The fourth proportional to 8,610,042.72, 11,881,757.13 and 4,689,786.53 is: 6,471,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610,042.72 : 11,881,757.13 = 4,689,786.53 : x
  2. Step 2: Convert to fraction form
    8,610,042.72/11,881,757.13 = 4,689,786.53/x
  3. Step 3: Cross multiply
    8,610,042.72x = 11,881,757.13 × 4,689,786.53
  4. Step 4: Simplify right side
    8,610,042.72x = 55,722,904,474,140.48
  5. Step 5: Solve for x
    x = 55,722,904,474,140.48/8,610,042.72
  6. Step 6: Final answer
    x = 6,471,849.94

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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.