Home / 8,661,159.90-11,951,590.91-5,175,806.95

Finding the Fourth Proportional to 8,661,159.90, 11,951,590.91 and 5,175,806.95

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Solution

The fourth proportional to 8,661,159.90, 11,951,590.91 and 5,175,806.95 is: 7,142,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661,159.90 : 11,951,590.91 = 5,175,806.95 : x
  2. Step 2: Convert to fraction form
    8,661,159.90/11,951,590.91 = 5,175,806.95/x
  3. Step 3: Cross multiply
    8,661,159.90x = 11,951,590.91 × 5,175,806.95
  4. Step 4: Simplify right side
    8,661,159.90x = 61,859,127,284,595.27
  5. Step 5: Solve for x
    x = 61,859,127,284,595.27/8,661,159.90
  6. Step 6: Final answer
    x = 7,142,129.69

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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.