Home / 12,380,266.20-18,573,023.70-3,743,657.40

Finding the Fourth Proportional to 12,380,266.20, 18,573,023.70 and 3,743,657.40

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Solution

The fourth proportional to 12,380,266.20, 18,573,023.70 and 3,743,657.40 is: 5,616,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380,266.20 : 18,573,023.70 = 3,743,657.40 : x
  2. Step 2: Convert to fraction form
    12,380,266.20/18,573,023.70 = 3,743,657.40/x
  3. Step 3: Cross multiply
    12,380,266.20x = 18,573,023.70 × 3,743,657.40
  4. Step 4: Simplify right side
    12,380,266.20x = 69,531,037,614,880.38
  5. Step 5: Solve for x
    x = 69,531,037,614,880.38/12,380,266.20
  6. Step 6: Final answer
    x = 5,616,279.69

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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.