Home / 12,151,372.38-16,760,992.58-7,793,556.18

Finding the Fourth Proportional to 12,151,372.38, 16,760,992.58 and 7,793,556.18

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Solution

The fourth proportional to 12,151,372.38, 16,760,992.58 and 7,793,556.18 is: 10,750,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,372.38 : 16,760,992.58 = 7,793,556.18 : x
  2. Step 2: Convert to fraction form
    12,151,372.38/16,760,992.58 = 7,793,556.18/x
  3. Step 3: Cross multiply
    12,151,372.38x = 16,760,992.58 × 7,793,556.18
  4. Step 4: Simplify right side
    12,151,372.38x = 130,627,737,240,472.06
  5. Step 5: Solve for x
    x = 130,627,737,240,472.06/12,151,372.38
  6. Step 6: Final answer
    x = 10,750,039.85

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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.