Home / 12,286,737.14-16,959,070.10-7,131,759.44

Finding the Fourth Proportional to 12,286,737.14, 16,959,070.10 and 7,131,759.44

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Solution

The fourth proportional to 12,286,737.14, 16,959,070.10 and 7,131,759.44 is: 9,843,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,737.14 : 16,959,070.10 = 7,131,759.44 : x
  2. Step 2: Convert to fraction form
    12,286,737.14/16,959,070.10 = 7,131,759.44/x
  3. Step 3: Cross multiply
    12,286,737.14x = 16,959,070.10 × 7,131,759.44
  4. Step 4: Simplify right side
    12,286,737.14x = 120,948,008,212,330.78
  5. Step 5: Solve for x
    x = 120,948,008,212,330.78/12,286,737.14
  6. Step 6: Final answer
    x = 9,843,785.77

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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.