Home / 18,162,904.44-25,065,003.66-9,902,899.20

Finding the Fourth Proportional to 18,162,904.44, 25,065,003.66 and 9,902,899.20

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Solution

The fourth proportional to 18,162,904.44, 25,065,003.66 and 9,902,899.20 is: 13,666,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162,904.44 : 25,065,003.66 = 9,902,899.20 : x
  2. Step 2: Convert to fraction form
    18,162,904.44/25,065,003.66 = 9,902,899.20/x
  3. Step 3: Cross multiply
    18,162,904.44x = 25,065,003.66 × 9,902,899.20
  4. Step 4: Simplify right side
    18,162,904.44x = 248,216,204,692,611.06
  5. Step 5: Solve for x
    x = 248,216,204,692,611.06/18,162,904.44
  6. Step 6: Final answer
    x = 13,666,107.51

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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.