Home / 20,414,276.70-30,621,415.05-18,524,708.70

Finding the Fourth Proportional to 20,414,276.70, 30,621,415.05 and 18,524,708.70

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Solution

The fourth proportional to 20,414,276.70, 30,621,415.05 and 18,524,708.70 is: 27,787,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414,276.70 : 30,621,415.05 = 18,524,708.70 : x
  2. Step 2: Convert to fraction form
    20,414,276.70/30,621,415.05 = 18,524,708.70/x
  3. Step 3: Cross multiply
    20,414,276.70x = 30,621,415.05 × 18,524,708.70
  4. Step 4: Simplify right side
    20,414,276.70x = 567,252,793,783,045.88
  5. Step 5: Solve for x
    x = 567,252,793,783,045.88/20,414,276.70
  6. Step 6: Final answer
    x = 27,787,063.05

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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.