Home / 5,416,726.40-8,127,163.20-5,331,708.80

Finding the Fourth Proportional to 5,416,726.40, 8,127,163.20 and 5,331,708.80

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Solution

The fourth proportional to 5,416,726.40, 8,127,163.20 and 5,331,708.80 is: 7,999,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416,726.40 : 8,127,163.20 = 5,331,708.80 : x
  2. Step 2: Convert to fraction form
    5,416,726.40/8,127,163.20 = 5,331,708.80/x
  3. Step 3: Cross multiply
    5,416,726.40x = 8,127,163.20 × 5,331,708.80
  4. Step 4: Simplify right side
    5,416,726.40x = 43,331,667,552,476.16
  5. Step 5: Solve for x
    x = 43,331,667,552,476.16/5,416,726.40
  6. Step 6: Final answer
    x = 7,999,604.25

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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.