Home / 21,060,165.40-31,543,008.90-17,281,029.40

Finding the Fourth Proportional to 21,060,165.40, 31,543,008.90 and 17,281,029.40

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Solution

The fourth proportional to 21,060,165.40, 31,543,008.90 and 17,281,029.40 is: 25,882,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060,165.40 : 31,543,008.90 = 17,281,029.40 : x
  2. Step 2: Convert to fraction form
    21,060,165.40/31,543,008.90 = 17,281,029.40/x
  3. Step 3: Cross multiply
    21,060,165.40x = 31,543,008.90 × 17,281,029.40
  4. Step 4: Simplify right side
    21,060,165.40x = 545,095,664,165,361.56
  5. Step 5: Solve for x
    x = 545,095,664,165,361.56/21,060,165.40
  6. Step 6: Final answer
    x = 25,882,781.73

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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.