Home / 12,152,941.60-18,231,453.60-3,634,139.20

Finding the Fourth Proportional to 12,152,941.60, 18,231,453.60 and 3,634,139.20

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Solution

The fourth proportional to 12,152,941.60, 18,231,453.60 and 3,634,139.20 is: 5,451,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152,941.60 : 18,231,453.60 = 3,634,139.20 : x
  2. Step 2: Convert to fraction form
    12,152,941.60/18,231,453.60 = 3,634,139.20/x
  3. Step 3: Cross multiply
    12,152,941.60x = 18,231,453.60 × 3,634,139.20
  4. Step 4: Simplify right side
    12,152,941.60x = 66,255,640,200,741.12
  5. Step 5: Solve for x
    x = 66,255,640,200,741.12/12,152,941.60
  6. Step 6: Final answer
    x = 5,451,819.19

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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.