Home / 31,852,525.52-47,761,062.84-18,903,938

Finding the Fourth Proportional to 31,852,525.52, 47,761,062.84 and 18,903,938

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Solution

The fourth proportional to 31,852,525.52, 47,761,062.84 and 18,903,938 is: 28,345,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,852,525.52 : 47,761,062.84 = 18,903,938 : x
  2. Step 2: Convert to fraction form
    31,852,525.52/47,761,062.84 = 18,903,938/x
  3. Step 3: Cross multiply
    31,852,525.52x = 47,761,062.84 × 18,903,938
  4. Step 4: Simplify right side
    31,852,525.52x = 902,872,170,741,464
  5. Step 5: Solve for x
    x = 902,872,170,741,464/31,852,525.52
  6. Step 6: Final answer
    x = 28,345,387.25

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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.