Home / 12,380,114.46-17,072,684.89-7,965,334.20

Finding the Fourth Proportional to 12,380,114.46, 17,072,684.89 and 7,965,334.20

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Solution

The fourth proportional to 12,380,114.46, 17,072,684.89 and 7,965,334.20 is: 10,984,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380,114.46 : 17,072,684.89 = 7,965,334.20 : x
  2. Step 2: Convert to fraction form
    12,380,114.46/17,072,684.89 = 7,965,334.20/x
  3. Step 3: Cross multiply
    12,380,114.46x = 17,072,684.89 × 7,965,334.20
  4. Step 4: Simplify right side
    12,380,114.46x = 135,989,640,840,140.25
  5. Step 5: Solve for x
    x = 135,989,640,840,140.25/12,380,114.46
  6. Step 6: Final answer
    x = 10,984,522.10

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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.