Home / 9,215,440.76-12,717,313.65-5,141,059.76

Finding the Fourth Proportional to 9,215,440.76, 12,717,313.65 and 5,141,059.76

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Solution

The fourth proportional to 9,215,440.76, 12,717,313.65 and 5,141,059.76 is: 7,094,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,440.76 : 12,717,313.65 = 5,141,059.76 : x
  2. Step 2: Convert to fraction form
    9,215,440.76/12,717,313.65 = 5,141,059.76/x
  3. Step 3: Cross multiply
    9,215,440.76x = 12,717,313.65 × 5,141,059.76
  4. Step 4: Simplify right side
    9,215,440.76x = 65,380,469,397,727.16
  5. Step 5: Solve for x
    x = 65,380,469,397,727.16/9,215,440.76
  6. Step 6: Final answer
    x = 7,094,665.48

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Similar ratio
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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.