Home / 20,165,007.70-30,247,511.55-17,645,583.70

Finding the Fourth Proportional to 20,165,007.70, 30,247,511.55 and 17,645,583.70

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Solution

The fourth proportional to 20,165,007.70, 30,247,511.55 and 17,645,583.70 is: 26,468,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,007.70 : 30,247,511.55 = 17,645,583.70 : x
  2. Step 2: Convert to fraction form
    20,165,007.70/30,247,511.55 = 17,645,583.70/x
  3. Step 3: Cross multiply
    20,165,007.70x = 30,247,511.55 × 17,645,583.70
  4. Step 4: Simplify right side
    20,165,007.70x = 533,734,996,772,241.75
  5. Step 5: Solve for x
    x = 533,734,996,772,241.75/20,165,007.70
  6. Step 6: Final answer
    x = 26,468,375.55

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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.