Home / 29,022,145.56-40,049,360.08-15,791,376.92

Finding the Fourth Proportional to 29,022,145.56, 40,049,360.08 and 15,791,376.92

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Solution

The fourth proportional to 29,022,145.56, 40,049,360.08 and 15,791,376.92 is: 21,791,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,022,145.56 : 40,049,360.08 = 15,791,376.92 : x
  2. Step 2: Convert to fraction form
    29,022,145.56/40,049,360.08 = 15,791,376.92/x
  3. Step 3: Cross multiply
    29,022,145.56x = 40,049,360.08 × 15,791,376.92
  4. Step 4: Simplify right side
    29,022,145.56x = 632,434,540,428,081.38
  5. Step 5: Solve for x
    x = 632,434,540,428,081.38/29,022,145.56
  6. Step 6: Final answer
    x = 21,791,446.78

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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.