Home / 12,861,464.43-17,748,361.70-7,279,591.16

Finding the Fourth Proportional to 12,861,464.43, 17,748,361.70 and 7,279,591.16

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Solution

The fourth proportional to 12,861,464.43, 17,748,361.70 and 7,279,591.16 is: 10,045,575.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,464.43 : 17,748,361.70 = 7,279,591.16 : x
  2. Step 2: Convert to fraction form
    12,861,464.43/17,748,361.70 = 7,279,591.16/x
  3. Step 3: Cross multiply
    12,861,464.43x = 17,748,361.70 × 7,279,591.16
  4. Step 4: Simplify right side
    12,861,464.43x = 129,200,816,810,662.81
  5. Step 5: Solve for x
    x = 129,200,816,810,662.81/12,861,464.43
  6. Step 6: Final answer
    x = 10,045,575.88

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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.