Home / 18,219,228.80-27,310,180.80-10,642,294.40

Finding the Fourth Proportional to 18,219,228.80, 27,310,180.80 and 10,642,294.40

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Solution

The fourth proportional to 18,219,228.80, 27,310,180.80 and 10,642,294.40 is: 15,952,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219,228.80 : 27,310,180.80 = 10,642,294.40 : x
  2. Step 2: Convert to fraction form
    18,219,228.80/27,310,180.80 = 10,642,294.40/x
  3. Step 3: Cross multiply
    18,219,228.80x = 27,310,180.80 × 10,642,294.40
  4. Step 4: Simplify right side
    18,219,228.80x = 290,642,984,190,827.56
  5. Step 5: Solve for x
    x = 290,642,984,190,827.56/18,219,228.80
  6. Step 6: Final answer
    x = 15,952,540.44

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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.