Home / 39,678,990.39-54,753,983.46-22,271,972.49

Finding the Fourth Proportional to 39,678,990.39, 54,753,983.46 and 22,271,972.49

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Solution

The fourth proportional to 39,678,990.39, 54,753,983.46 and 22,271,972.49 is: 30,733,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678,990.39 : 54,753,983.46 = 22,271,972.49 : x
  2. Step 2: Convert to fraction form
    39,678,990.39/54,753,983.46 = 22,271,972.49/x
  3. Step 3: Cross multiply
    39,678,990.39x = 54,753,983.46 × 22,271,972.49
  4. Step 4: Simplify right side
    39,678,990.39x = 1,219,479,213,339,035
  5. Step 5: Solve for x
    x = 1,219,479,213,339,035/39,678,990.39
  6. Step 6: Final answer
    x = 30,733,625.06

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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.