Home / 20,181,243.71-30,281,313.41-8,820,216.11

Finding the Fourth Proportional to 20,181,243.71, 30,281,313.41 and 8,820,216.11

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Solution

The fourth proportional to 20,181,243.71, 30,281,313.41 and 8,820,216.11 is: 13,234,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,243.71 : 30,281,313.41 = 8,820,216.11 : x
  2. Step 2: Convert to fraction form
    20,181,243.71/30,281,313.41 = 8,820,216.11/x
  3. Step 3: Cross multiply
    20,181,243.71x = 30,281,313.41 × 8,820,216.11
  4. Step 4: Simplify right side
    20,181,243.71x = 267,087,728,435,519.09
  5. Step 5: Solve for x
    x = 267,087,728,435,519.09/20,181,243.71
  6. Step 6: Final answer
    x = 13,234,453.35

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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.