Home / 8,269,657.20-12,376,492.20-7,261,887.60

Finding the Fourth Proportional to 8,269,657.20, 12,376,492.20 and 7,261,887.60

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Solution

The fourth proportional to 8,269,657.20, 12,376,492.20 and 7,261,887.60 is: 10,868,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269,657.20 : 12,376,492.20 = 7,261,887.60 : x
  2. Step 2: Convert to fraction form
    8,269,657.20/12,376,492.20 = 7,261,887.60/x
  3. Step 3: Cross multiply
    8,269,657.20x = 12,376,492.20 × 7,261,887.60
  4. Step 4: Simplify right side
    8,269,657.20x = 89,876,695,238,676.70
  5. Step 5: Solve for x
    x = 89,876,695,238,676.70/8,269,657.20
  6. Step 6: Final answer
    x = 10,868,249.20

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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.