Home / 20,614,000.20-30,921,000.30-18,629,953.80

Finding the Fourth Proportional to 20,614,000.20, 30,921,000.30 and 18,629,953.80

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Solution

The fourth proportional to 20,614,000.20, 30,921,000.30 and 18,629,953.80 is: 27,944,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614,000.20 : 30,921,000.30 = 18,629,953.80 : x
  2. Step 2: Convert to fraction form
    20,614,000.20/30,921,000.30 = 18,629,953.80/x
  3. Step 3: Cross multiply
    20,614,000.20x = 30,921,000.30 × 18,629,953.80
  4. Step 4: Simplify right side
    20,614,000.20x = 576,056,807,038,786.12
  5. Step 5: Solve for x
    x = 576,056,807,038,786.12/20,614,000.20
  6. Step 6: Final answer
    x = 27,944,930.70

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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.