Home / 8,115,123.52-11,198,733.60-4,493,373.76

Finding the Fourth Proportional to 8,115,123.52, 11,198,733.60 and 4,493,373.76

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Solution

The fourth proportional to 8,115,123.52, 11,198,733.60 and 4,493,373.76 is: 6,200,780.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115,123.52 : 11,198,733.60 = 4,493,373.76 : x
  2. Step 2: Convert to fraction form
    8,115,123.52/11,198,733.60 = 4,493,373.76/x
  3. Step 3: Cross multiply
    8,115,123.52x = 11,198,733.60 × 4,493,373.76
  4. Step 4: Simplify right side
    8,115,123.52x = 50,320,095,703,470.33
  5. Step 5: Solve for x
    x = 50,320,095,703,470.33/8,115,123.52
  6. Step 6: Final answer
    x = 6,200,780.01

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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.