Home / 12,102,067.46-16,701,445.21-6,805,429.38

Finding the Fourth Proportional to 12,102,067.46, 16,701,445.21 and 6,805,429.38

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Solution

The fourth proportional to 12,102,067.46, 16,701,445.21 and 6,805,429.38 is: 9,391,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102,067.46 : 16,701,445.21 = 6,805,429.38 : x
  2. Step 2: Convert to fraction form
    12,102,067.46/16,701,445.21 = 6,805,429.38/x
  3. Step 3: Cross multiply
    12,102,067.46x = 16,701,445.21 × 6,805,429.38
  4. Step 4: Simplify right side
    12,102,067.46x = 113,660,505,844,813.52
  5. Step 5: Solve for x
    x = 113,660,505,844,813.52/12,102,067.46
  6. Step 6: Final answer
    x = 9,391,825.51

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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.