Home / 7,171,895.20-10,743,327.60-4,467,920.80

Finding the Fourth Proportional to 7,171,895.20, 10,743,327.60 and 4,467,920.80

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Solution

The fourth proportional to 7,171,895.20, 10,743,327.60 and 4,467,920.80 is: 6,692,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,895.20 : 10,743,327.60 = 4,467,920.80 : x
  2. Step 2: Convert to fraction form
    7,171,895.20/10,743,327.60 = 4,467,920.80/x
  3. Step 3: Cross multiply
    7,171,895.20x = 10,743,327.60 × 4,467,920.80
  4. Step 4: Simplify right side
    7,171,895.20x = 48,000,336,845,254.08
  5. Step 5: Solve for x
    x = 48,000,336,845,254.08/7,171,895.20
  6. Step 6: Final answer
    x = 6,692,838.57

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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.