Home / 38,068,792.62-57,124,785.66-20,561,133.16

Finding the Fourth Proportional to 38,068,792.62, 57,124,785.66 and 20,561,133.16

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Solution

The fourth proportional to 38,068,792.62, 57,124,785.66 and 20,561,133.16 is: 30,853,364.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068,792.62 : 57,124,785.66 = 20,561,133.16 : x
  2. Step 2: Convert to fraction form
    38,068,792.62/57,124,785.66 = 20,561,133.16/x
  3. Step 3: Cross multiply
    38,068,792.62x = 57,124,785.66 × 20,561,133.16
  4. Step 4: Simplify right side
    38,068,792.62x = 1,174,550,324,691,718.50
  5. Step 5: Solve for x
    x = 1,174,550,324,691,718.50/38,068,792.62
  6. Step 6: Final answer
    x = 30,853,364.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.