Home / 9,538,104.55-13,162,685.03-5,187,189.70

Finding the Fourth Proportional to 9,538,104.55, 13,162,685.03 and 5,187,189.70

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Solution

The fourth proportional to 9,538,104.55, 13,162,685.03 and 5,187,189.70 is: 7,158,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538,104.55 : 13,162,685.03 = 5,187,189.70 : x
  2. Step 2: Convert to fraction form
    9,538,104.55/13,162,685.03 = 5,187,189.70/x
  3. Step 3: Cross multiply
    9,538,104.55x = 13,162,685.03 × 5,187,189.70
  4. Step 4: Simplify right side
    9,538,104.55x = 68,277,344,288,127.55
  5. Step 5: Solve for x
    x = 68,277,344,288,127.55/9,538,104.55
  6. Step 6: Final answer
    x = 7,158,376.58

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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.