Home / 18,253,157.89-25,189,365.39-9,993,755.56

Finding the Fourth Proportional to 18,253,157.89, 25,189,365.39 and 9,993,755.56

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Solution

The fourth proportional to 18,253,157.89, 25,189,365.39 and 9,993,755.56 is: 13,791,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253,157.89 : 25,189,365.39 = 9,993,755.56 : x
  2. Step 2: Convert to fraction form
    18,253,157.89/25,189,365.39 = 9,993,755.56/x
  3. Step 3: Cross multiply
    18,253,157.89x = 25,189,365.39 × 9,993,755.56
  4. Step 4: Simplify right side
    18,253,157.89x = 251,736,360,293,237.25
  5. Step 5: Solve for x
    x = 251,736,360,293,237.25/18,253,157.89
  6. Step 6: Final answer
    x = 13,791,386.78

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1.5x scale

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.