Home / 18,715,578.20-28,017,380.10-16,476,090.20

Finding the Fourth Proportional to 18,715,578.20, 28,017,380.10 and 16,476,090.20

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Solution

The fourth proportional to 18,715,578.20, 28,017,380.10 and 16,476,090.20 is: 24,664,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,578.20 : 28,017,380.10 = 16,476,090.20 : x
  2. Step 2: Convert to fraction form
    18,715,578.20/28,017,380.10 = 16,476,090.20/x
  3. Step 3: Cross multiply
    18,715,578.20x = 28,017,380.10 × 16,476,090.20
  4. Step 4: Simplify right side
    18,715,578.20x = 461,616,881,695,285
  5. Step 5: Solve for x
    x = 461,616,881,695,285/18,715,578.20
  6. Step 6: Final answer
    x = 24,664,847.47

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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.