Home / 31,234,902.12-46,791,335.82-21,517,798.68

Finding the Fourth Proportional to 31,234,902.12, 46,791,335.82 and 21,517,798.68

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Solution

The fourth proportional to 31,234,902.12, 46,791,335.82 and 21,517,798.68 is: 32,234,663.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234,902.12 : 46,791,335.82 = 21,517,798.68 : x
  2. Step 2: Convert to fraction form
    31,234,902.12/46,791,335.82 = 21,517,798.68/x
  3. Step 3: Cross multiply
    31,234,902.12x = 46,791,335.82 × 21,517,798.68
  4. Step 4: Simplify right side
    31,234,902.12x = 1,006,846,544,143,032.75
  5. Step 5: Solve for x
    x = 1,006,846,544,143,032.75/31,234,902.12
  6. Step 6: Final answer
    x = 32,234,663.01

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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.