Home / 20,653,175.80-30,982,716.15-7,006,951.90

Finding the Fourth Proportional to 20,653,175.80, 30,982,716.15 and 7,006,951.90

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Solution

The fourth proportional to 20,653,175.80, 30,982,716.15 and 7,006,951.90 is: 10,511,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653,175.80 : 30,982,716.15 = 7,006,951.90 : x
  2. Step 2: Convert to fraction form
    20,653,175.80/30,982,716.15 = 7,006,951.90/x
  3. Step 3: Cross multiply
    20,653,175.80x = 30,982,716.15 × 7,006,951.90
  4. Step 4: Simplify right side
    20,653,175.80x = 217,094,401,794,403.19
  5. Step 5: Solve for x
    x = 217,094,401,794,403.19/20,653,175.80
  6. Step 6: Final answer
    x = 10,511,429.52

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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.