Home / 20,753,924.80-31,046,906.40-18,234,500.80

Finding the Fourth Proportional to 20,753,924.80, 31,046,906.40 and 18,234,500.80

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Solution

The fourth proportional to 20,753,924.80, 31,046,906.40 and 18,234,500.80 is: 27,277,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753,924.80 : 31,046,906.40 = 18,234,500.80 : x
  2. Step 2: Convert to fraction form
    20,753,924.80/31,046,906.40 = 18,234,500.80/x
  3. Step 3: Cross multiply
    20,753,924.80x = 31,046,906.40 × 18,234,500.80
  4. Step 4: Simplify right side
    20,753,924.80x = 566,124,839,588,325.12
  5. Step 5: Solve for x
    x = 566,124,839,588,325.12/20,753,924.80
  6. Step 6: Final answer
    x = 27,277,965.25

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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.