Home / 16,868,711.70-25,303,067.55-10,491,419.70

Finding the Fourth Proportional to 16,868,711.70, 25,303,067.55 and 10,491,419.70

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Solution

The fourth proportional to 16,868,711.70, 25,303,067.55 and 10,491,419.70 is: 15,737,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868,711.70 : 25,303,067.55 = 10,491,419.70 : x
  2. Step 2: Convert to fraction form
    16,868,711.70/25,303,067.55 = 10,491,419.70/x
  3. Step 3: Cross multiply
    16,868,711.70x = 25,303,067.55 × 10,491,419.70
  4. Step 4: Simplify right side
    16,868,711.70x = 265,465,101,364,500.72
  5. Step 5: Solve for x
    x = 265,465,101,364,500.72/16,868,711.70
  6. Step 6: Final answer
    x = 15,737,129.55

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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.