Home / 47,780,665.71-65,942,916.53-27,157,211.97

Finding the Fourth Proportional to 47,780,665.71, 65,942,916.53 and 27,157,211.97

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Solution

The fourth proportional to 47,780,665.71, 65,942,916.53 and 27,157,211.97 is: 37,480,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780,665.71 : 65,942,916.53 = 27,157,211.97 : x
  2. Step 2: Convert to fraction form
    47,780,665.71/65,942,916.53 = 27,157,211.97/x
  3. Step 3: Cross multiply
    47,780,665.71x = 65,942,916.53 × 27,157,211.97
  4. Step 4: Simplify right side
    47,780,665.71x = 1,790,825,761,989,440.75
  5. Step 5: Solve for x
    x = 1,790,825,761,989,440.75/47,780,665.71
  6. Step 6: Final answer
    x = 37,480,134.18

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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.