Home / 27,305,841.28-37,681,339.20-15,082,435.84

Finding the Fourth Proportional to 27,305,841.28, 37,681,339.20 and 15,082,435.84

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Solution

The fourth proportional to 27,305,841.28, 37,681,339.20 and 15,082,435.84 is: 20,813,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305,841.28 : 37,681,339.20 = 15,082,435.84 : x
  2. Step 2: Convert to fraction form
    27,305,841.28/37,681,339.20 = 15,082,435.84/x
  3. Step 3: Cross multiply
    27,305,841.28x = 37,681,339.20 × 15,082,435.84
  4. Step 4: Simplify right side
    27,305,841.28x = 568,326,380,849,277
  5. Step 5: Solve for x
    x = 568,326,380,849,277/27,305,841.28
  6. Step 6: Final answer
    x = 20,813,362.79

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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.