Home / 7,104,279.20-10,656,418.80-3,115,191.20

Finding the Fourth Proportional to 7,104,279.20, 10,656,418.80 and 3,115,191.20

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Solution

The fourth proportional to 7,104,279.20, 10,656,418.80 and 3,115,191.20 is: 4,672,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104,279.20 : 10,656,418.80 = 3,115,191.20 : x
  2. Step 2: Convert to fraction form
    7,104,279.20/10,656,418.80 = 3,115,191.20/x
  3. Step 3: Cross multiply
    7,104,279.20x = 10,656,418.80 × 3,115,191.20
  4. Step 4: Simplify right side
    7,104,279.20x = 33,196,782,069,274.56
  5. Step 5: Solve for x
    x = 33,196,782,069,274.56/7,104,279.20
  6. Step 6: Final answer
    x = 4,672,786.80

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Similar ratio
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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.