Home / 18,693,380.84-25,796,901.24-10,320,766.79

Finding the Fourth Proportional to 18,693,380.84, 25,796,901.24 and 10,320,766.79

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Solution

The fourth proportional to 18,693,380.84, 25,796,901.24 and 10,320,766.79 is: 14,242,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,380.84 : 25,796,901.24 = 10,320,766.79 : x
  2. Step 2: Convert to fraction form
    18,693,380.84/25,796,901.24 = 10,320,766.79/x
  3. Step 3: Cross multiply
    18,693,380.84x = 25,796,901.24 × 10,320,766.79
  4. Step 4: Simplify right side
    18,693,380.84x = 266,243,801,473,717.31
  5. Step 5: Solve for x
    x = 266,243,801,473,717.31/18,693,380.84
  6. Step 6: Final answer
    x = 14,242,677.87

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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.