Home / 18,139,995.56-25,033,194.18-9,991,233.56

Finding the Fourth Proportional to 18,139,995.56, 25,033,194.18 and 9,991,233.56

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Solution

The fourth proportional to 18,139,995.56, 25,033,194.18 and 9,991,233.56 is: 13,787,902.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,995.56 : 25,033,194.18 = 9,991,233.56 : x
  2. Step 2: Convert to fraction form
    18,139,995.56/25,033,194.18 = 9,991,233.56/x
  3. Step 3: Cross multiply
    18,139,995.56x = 25,033,194.18 × 9,991,233.56
  4. Step 4: Simplify right side
    18,139,995.56x = 250,112,489,867,795.66
  5. Step 5: Solve for x
    x = 250,112,489,867,795.66/18,139,995.56
  6. Step 6: Final answer
    x = 13,787,902.48

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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.