Home / 21,863,251.80-32,794,877.70-20,220,960.60

Finding the Fourth Proportional to 21,863,251.80, 32,794,877.70 and 20,220,960.60

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Solution

The fourth proportional to 21,863,251.80, 32,794,877.70 and 20,220,960.60 is: 30,331,440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863,251.80 : 32,794,877.70 = 20,220,960.60 : x
  2. Step 2: Convert to fraction form
    21,863,251.80/32,794,877.70 = 20,220,960.60/x
  3. Step 3: Cross multiply
    21,863,251.80x = 32,794,877.70 × 20,220,960.60
  4. Step 4: Simplify right side
    21,863,251.80x = 663,143,929,853,518.62
  5. Step 5: Solve for x
    x = 663,143,929,853,518.62/21,863,251.80
  6. Step 6: Final answer
    x = 30,331,440.90

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1.5x scale

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.