Home / 18,181,576.25-25,091,108.54-9,922,171.88

Finding the Fourth Proportional to 18,181,576.25, 25,091,108.54 and 9,922,171.88

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Solution

The fourth proportional to 18,181,576.25, 25,091,108.54 and 9,922,171.88 is: 13,692,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,576.25 : 25,091,108.54 = 9,922,171.88 : x
  2. Step 2: Convert to fraction form
    18,181,576.25/25,091,108.54 = 9,922,171.88/x
  3. Step 3: Cross multiply
    18,181,576.25x = 25,091,108.54 × 9,922,171.88
  4. Step 4: Simplify right side
    18,181,576.25x = 248,958,291,492,965.75
  5. Step 5: Solve for x
    x = 248,958,291,492,965.75/18,181,576.25
  6. Step 6: Final answer
    x = 13,692,888.24

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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.