Home / 37,141,439.78-51,256,787.69-20,621,565.16

Finding the Fourth Proportional to 37,141,439.78, 51,256,787.69 and 20,621,565.16

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Solution

The fourth proportional to 37,141,439.78, 51,256,787.69 and 20,621,565.16 is: 28,458,648.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,141,439.78 : 51,256,787.69 = 20,621,565.16 : x
  2. Step 2: Convert to fraction form
    37,141,439.78/51,256,787.69 = 20,621,565.16/x
  3. Step 3: Cross multiply
    37,141,439.78x = 51,256,787.69 × 20,621,565.16
  4. Step 4: Simplify right side
    37,141,439.78x = 1,056,995,187,165,032.88
  5. Step 5: Solve for x
    x = 1,056,995,187,165,032.88/37,141,439.78
  6. Step 6: Final answer
    x = 28,458,648.71

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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.