Home / 7,081,881.40-10,608,825.30-3,881,279.80

Finding the Fourth Proportional to 7,081,881.40, 10,608,825.30 and 3,881,279.80

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Solution

The fourth proportional to 7,081,881.40, 10,608,825.30 and 3,881,279.80 is: 5,814,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081,881.40 : 10,608,825.30 = 3,881,279.80 : x
  2. Step 2: Convert to fraction form
    7,081,881.40/10,608,825.30 = 3,881,279.80/x
  3. Step 3: Cross multiply
    7,081,881.40x = 10,608,825.30 × 3,881,279.80
  4. Step 4: Simplify right side
    7,081,881.40x = 41,175,819,338,618.94
  5. Step 5: Solve for x
    x = 41,175,819,338,618.94/7,081,881.40
  6. Step 6: Final answer
    x = 5,814,248.65

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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.