Home / 27,538,989.12-38,003,595.26-15,148,816.43

Finding the Fourth Proportional to 27,538,989.12, 38,003,595.26 and 15,148,816.43

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Solution

The fourth proportional to 27,538,989.12, 38,003,595.26 and 15,148,816.43 is: 20,905,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,538,989.12 : 38,003,595.26 = 15,148,816.43 : x
  2. Step 2: Convert to fraction form
    27,538,989.12/38,003,595.26 = 15,148,816.43/x
  3. Step 3: Cross multiply
    27,538,989.12x = 38,003,595.26 × 15,148,816.43
  4. Step 4: Simplify right side
    27,538,989.12x = 575,709,488,007,996.12
  5. Step 5: Solve for x
    x = 575,709,488,007,996.12/27,538,989.12
  6. Step 6: Final answer
    x = 20,905,251.30

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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.