Home / 8,389,163.71-12,522,501.59-7,198,735.87

Finding the Fourth Proportional to 8,389,163.71, 12,522,501.59 and 7,198,735.87

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Solution

The fourth proportional to 8,389,163.71, 12,522,501.59 and 7,198,735.87 is: 10,745,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389,163.71 : 12,522,501.59 = 7,198,735.87 : x
  2. Step 2: Convert to fraction form
    8,389,163.71/12,522,501.59 = 7,198,735.87/x
  3. Step 3: Cross multiply
    8,389,163.71x = 12,522,501.59 × 7,198,735.87
  4. Step 4: Simplify right side
    8,389,163.71x = 90,146,181,378,065.03
  5. Step 5: Solve for x
    x = 90,146,181,378,065.03/8,389,163.71
  6. Step 6: Final answer
    x = 10,745,550.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.