Home / 12,689,433.86-17,511,440.94-6,888,219.53

Finding the Fourth Proportional to 12,689,433.86, 17,511,440.94 and 6,888,219.53

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Solution

The fourth proportional to 12,689,433.86, 17,511,440.94 and 6,888,219.53 is: 9,505,755.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689,433.86 : 17,511,440.94 = 6,888,219.53 : x
  2. Step 2: Convert to fraction form
    12,689,433.86/17,511,440.94 = 6,888,219.53/x
  3. Step 3: Cross multiply
    12,689,433.86x = 17,511,440.94 × 6,888,219.53
  4. Step 4: Simplify right side
    12,689,433.86x = 120,622,649,393,792.38
  5. Step 5: Solve for x
    x = 120,622,649,393,792.38/12,689,433.86
  6. Step 6: Final answer
    x = 9,505,755.01

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.