Home / 9,538,105.55-13,162,686.41-5,187,190.70

Finding the Fourth Proportional to 9,538,105.55, 13,162,686.41 and 5,187,190.70

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Solution

The fourth proportional to 9,538,105.55, 13,162,686.41 and 5,187,190.70 is: 7,158,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538,105.55 : 13,162,686.41 = 5,187,190.70 : x
  2. Step 2: Convert to fraction form
    9,538,105.55/13,162,686.41 = 5,187,190.70/x
  3. Step 3: Cross multiply
    9,538,105.55x = 13,162,686.41 × 5,187,190.70
  4. Step 4: Simplify right side
    9,538,105.55x = 68,277,364,532,968.39
  5. Step 5: Solve for x
    x = 68,277,364,532,968.39/9,538,105.55
  6. Step 6: Final answer
    x = 7,158,377.96

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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.