Home / 21,254,429.70-31,881,644.55-17,002,901.70

Finding the Fourth Proportional to 21,254,429.70, 31,881,644.55 and 17,002,901.70

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Solution

The fourth proportional to 21,254,429.70, 31,881,644.55 and 17,002,901.70 is: 25,504,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254,429.70 : 31,881,644.55 = 17,002,901.70 : x
  2. Step 2: Convert to fraction form
    21,254,429.70/31,881,644.55 = 17,002,901.70/x
  3. Step 3: Cross multiply
    21,254,429.70x = 31,881,644.55 × 17,002,901.70
  4. Step 4: Simplify right side
    21,254,429.70x = 542,080,468,317,990.75
  5. Step 5: Solve for x
    x = 542,080,468,317,990.75/21,254,429.70
  6. Step 6: Final answer
    x = 25,504,352.55

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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.