Home / 18,212,901.88-25,132,817.80-10,063,615

Finding the Fourth Proportional to 18,212,901.88, 25,132,817.80 and 10,063,615

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Solution

The fourth proportional to 18,212,901.88, 25,132,817.80 and 10,063,615 is: 13,887,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212,901.88 : 25,132,817.80 = 10,063,615 : x
  2. Step 2: Convert to fraction form
    18,212,901.88/25,132,817.80 = 10,063,615/x
  3. Step 3: Cross multiply
    18,212,901.88x = 25,132,817.80 × 10,063,615
  4. Step 4: Simplify right side
    18,212,901.88x = 252,927,002,204,347
  5. Step 5: Solve for x
    x = 252,927,002,204,347/18,212,901.88
  6. Step 6: Final answer
    x = 13,887,243.44

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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.