Home / 7,780,163.73-11,671,980.62-2,389,358.18

Finding the Fourth Proportional to 7,780,163.73, 11,671,980.62 and 2,389,358.18

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Solution

The fourth proportional to 7,780,163.73, 11,671,980.62 and 2,389,358.18 is: 3,584,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,163.73 : 11,671,980.62 = 2,389,358.18 : x
  2. Step 2: Convert to fraction form
    7,780,163.73/11,671,980.62 = 2,389,358.18/x
  3. Step 3: Cross multiply
    7,780,163.73x = 11,671,980.62 × 2,389,358.18
  4. Step 4: Simplify right side
    7,780,163.73x = 27,888,542,300,891.78
  5. Step 5: Solve for x
    x = 27,888,542,300,891.78/7,780,163.73
  6. Step 6: Final answer
    x = 3,584,570.10

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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.