Home / 30,917,763.18-42,671,761.34-17,872,584.30

Finding the Fourth Proportional to 30,917,763.18, 42,671,761.34 and 17,872,584.30

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Solution

The fourth proportional to 30,917,763.18, 42,671,761.34 and 17,872,584.30 is: 24,667,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,917,763.18 : 42,671,761.34 = 17,872,584.30 : x
  2. Step 2: Convert to fraction form
    30,917,763.18/42,671,761.34 = 17,872,584.30/x
  3. Step 3: Cross multiply
    30,917,763.18x = 42,671,761.34 × 17,872,584.30
  4. Step 4: Simplify right side
    30,917,763.18x = 762,654,651,689,268.12
  5. Step 5: Solve for x
    x = 762,654,651,689,268.12/30,917,763.18
  6. Step 6: Final answer
    x = 24,667,200.12

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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.