Home / 9,870,163.54-13,620,870.12-5,519,251.42

Finding the Fourth Proportional to 9,870,163.54, 13,620,870.12 and 5,519,251.42

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Solution

The fourth proportional to 9,870,163.54, 13,620,870.12 and 5,519,251.42 is: 7,616,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870,163.54 : 13,620,870.12 = 5,519,251.42 : x
  2. Step 2: Convert to fraction form
    9,870,163.54/13,620,870.12 = 5,519,251.42/x
  3. Step 3: Cross multiply
    9,870,163.54x = 13,620,870.12 × 5,519,251.42
  4. Step 4: Simplify right side
    9,870,163.54x = 75,177,006,751,445.56
  5. Step 5: Solve for x
    x = 75,177,006,751,445.56/9,870,163.54
  6. Step 6: Final answer
    x = 7,616,591.81

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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.