Home / 31,249,108.80-43,104,687.84-20,652,481.44

Finding the Fourth Proportional to 31,249,108.80, 43,104,687.84 and 20,652,481.44

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Solution

The fourth proportional to 31,249,108.80, 43,104,687.84 and 20,652,481.44 is: 28,487,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249,108.80 : 43,104,687.84 = 20,652,481.44 : x
  2. Step 2: Convert to fraction form
    31,249,108.80/43,104,687.84 = 20,652,481.44/x
  3. Step 3: Cross multiply
    31,249,108.80x = 43,104,687.84 × 20,652,481.44
  4. Step 4: Simplify right side
    31,249,108.80x = 890,218,765,592,593.88
  5. Step 5: Solve for x
    x = 890,218,765,592,593.88/31,249,108.80
  6. Step 6: Final answer
    x = 28,487,812.93

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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.