Home / 12,269,069.80-18,403,604.70-8,176,974.10

Finding the Fourth Proportional to 12,269,069.80, 18,403,604.70 and 8,176,974.10

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Solution

The fourth proportional to 12,269,069.80, 18,403,604.70 and 8,176,974.10 is: 12,265,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,069.80 : 18,403,604.70 = 8,176,974.10 : x
  2. Step 2: Convert to fraction form
    12,269,069.80/18,403,604.70 = 8,176,974.10/x
  3. Step 3: Cross multiply
    12,269,069.80x = 18,403,604.70 × 8,176,974.10
  4. Step 4: Simplify right side
    12,269,069.80x = 150,485,798,978,538.25
  5. Step 5: Solve for x
    x = 150,485,798,978,538.25/12,269,069.80
  6. Step 6: Final answer
    x = 12,265,461.15

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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.