Home / 12,485,117.80-18,715,235.10-5,741,770.60

Finding the Fourth Proportional to 12,485,117.80, 18,715,235.10 and 5,741,770.60

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Solution

The fourth proportional to 12,485,117.80, 18,715,235.10 and 5,741,770.60 is: 8,606,934.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,117.80 : 18,715,235.10 = 5,741,770.60 : x
  2. Step 2: Convert to fraction form
    12,485,117.80/18,715,235.10 = 5,741,770.60/x
  3. Step 3: Cross multiply
    12,485,117.80x = 18,715,235.10 × 5,741,770.60
  4. Step 4: Simplify right side
    12,485,117.80x = 107,458,586,669,268.06
  5. Step 5: Solve for x
    x = 107,458,586,669,268.06/12,485,117.80
  6. Step 6: Final answer
    x = 8,606,934.14

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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.