Home / 10,191,134.88-15,286,702.32-2,618,107.92

Finding the Fourth Proportional to 10,191,134.88, 15,286,702.32 and 2,618,107.92

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Solution

The fourth proportional to 10,191,134.88, 15,286,702.32 and 2,618,107.92 is: 3,927,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191,134.88 : 15,286,702.32 = 2,618,107.92 : x
  2. Step 2: Convert to fraction form
    10,191,134.88/15,286,702.32 = 2,618,107.92/x
  3. Step 3: Cross multiply
    10,191,134.88x = 15,286,702.32 × 2,618,107.92
  4. Step 4: Simplify right side
    10,191,134.88x = 40,022,236,414,674.38
  5. Step 5: Solve for x
    x = 40,022,236,414,674.38/10,191,134.88
  6. Step 6: Final answer
    x = 3,927,161.88

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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.