Home / 10,288,569.38-14,198,863.92-5,704,890.74

Finding the Fourth Proportional to 10,288,569.38, 14,198,863.92 and 5,704,890.74

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Solution

The fourth proportional to 10,288,569.38, 14,198,863.92 and 5,704,890.74 is: 7,873,103.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288,569.38 : 14,198,863.92 = 5,704,890.74 : x
  2. Step 2: Convert to fraction form
    10,288,569.38/14,198,863.92 = 5,704,890.74/x
  3. Step 3: Cross multiply
    10,288,569.38x = 14,198,863.92 × 5,704,890.74
  4. Step 4: Simplify right side
    10,288,569.38x = 81,002,967,295,728.11
  5. Step 5: Solve for x
    x = 81,002,967,295,728.11/10,288,569.38
  6. Step 6: Final answer
    x = 7,873,103.08

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1.5x scale

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.