Home / 37,141,439.78-51,256,787.70-20,621,565.15

Finding the Fourth Proportional to 37,141,439.78, 51,256,787.70 and 20,621,565.15

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Solution

The fourth proportional to 37,141,439.78, 51,256,787.70 and 20,621,565.15 is: 28,458,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,141,439.78 : 51,256,787.70 = 20,621,565.15 : x
  2. Step 2: Convert to fraction form
    37,141,439.78/51,256,787.70 = 20,621,565.15/x
  3. Step 3: Cross multiply
    37,141,439.78x = 51,256,787.70 × 20,621,565.15
  4. Step 4: Simplify right side
    37,141,439.78x = 1,056,995,186,935,268.62
  5. Step 5: Solve for x
    x = 1,056,995,186,935,268.62/37,141,439.78
  6. Step 6: Final answer
    x = 28,458,648.70

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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.