Home / 11,185,939.44-16,768,278.72-7,131,047.04

Finding the Fourth Proportional to 11,185,939.44, 16,768,278.72 and 7,131,047.04

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Solution

The fourth proportional to 11,185,939.44, 16,768,278.72 and 7,131,047.04 is: 10,689,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185,939.44 : 16,768,278.72 = 7,131,047.04 : x
  2. Step 2: Convert to fraction form
    11,185,939.44/16,768,278.72 = 7,131,047.04/x
  3. Step 3: Cross multiply
    11,185,939.44x = 16,768,278.72 × 7,131,047.04
  4. Step 4: Simplify right side
    11,185,939.44x = 119,575,384,332,151
  5. Step 5: Solve for x
    x = 119,575,384,332,151/11,185,939.44
  6. Step 6: Final answer
    x = 10,689,793.64

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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.