Home / 8,653,179.52-11,945,064.72-5,391,605.71

Finding the Fourth Proportional to 8,653,179.52, 11,945,064.72 and 5,391,605.71

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Solution

The fourth proportional to 8,653,179.52, 11,945,064.72 and 5,391,605.71 is: 7,442,706.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653,179.52 : 11,945,064.72 = 5,391,605.71 : x
  2. Step 2: Convert to fraction form
    8,653,179.52/11,945,064.72 = 5,391,605.71/x
  3. Step 3: Cross multiply
    8,653,179.52x = 11,945,064.72 × 5,391,605.71
  4. Step 4: Simplify right side
    8,653,179.52x = 64,403,079,185,821.41
  5. Step 5: Solve for x
    x = 64,403,079,185,821.41/8,653,179.52
  6. Step 6: Final answer
    x = 7,442,706.93

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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.