Home / 11,826,230.80-17,739,346.20-7,787,279.20

Finding the Fourth Proportional to 11,826,230.80, 17,739,346.20 and 7,787,279.20

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Solution

The fourth proportional to 11,826,230.80, 17,739,346.20 and 7,787,279.20 is: 11,680,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826,230.80 : 17,739,346.20 = 7,787,279.20 : x
  2. Step 2: Convert to fraction form
    11,826,230.80/17,739,346.20 = 7,787,279.20/x
  3. Step 3: Cross multiply
    11,826,230.80x = 17,739,346.20 × 7,787,279.20
  4. Step 4: Simplify right side
    11,826,230.80x = 138,141,241,684,859.03
  5. Step 5: Solve for x
    x = 138,141,241,684,859.03/11,826,230.80
  6. Step 6: Final answer
    x = 11,680,918.80

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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.