Home / 20,455,992.48-30,684,046.80-5,310,055.20

Finding the Fourth Proportional to 20,455,992.48, 30,684,046.80 and 5,310,055.20

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Solution

The fourth proportional to 20,455,992.48, 30,684,046.80 and 5,310,055.20 is: 7,965,097.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,992.48 : 30,684,046.80 = 5,310,055.20 : x
  2. Step 2: Convert to fraction form
    20,455,992.48/30,684,046.80 = 5,310,055.20/x
  3. Step 3: Cross multiply
    20,455,992.48x = 30,684,046.80 × 5,310,055.20
  4. Step 4: Simplify right side
    20,455,992.48x = 162,933,982,267,383.38
  5. Step 5: Solve for x
    x = 162,933,982,267,383.38/20,455,992.48
  6. Step 6: Final answer
    x = 7,965,097.88

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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.