Home / 20,593,092.80-30,889,639.20-16,766,717.60

Finding the Fourth Proportional to 20,593,092.80, 30,889,639.20 and 16,766,717.60

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Solution

The fourth proportional to 20,593,092.80, 30,889,639.20 and 16,766,717.60 is: 25,150,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593,092.80 : 30,889,639.20 = 16,766,717.60 : x
  2. Step 2: Convert to fraction form
    20,593,092.80/30,889,639.20 = 16,766,717.60/x
  3. Step 3: Cross multiply
    20,593,092.80x = 30,889,639.20 × 16,766,717.60
  4. Step 4: Simplify right side
    20,593,092.80x = 517,917,857,232,289.88
  5. Step 5: Solve for x
    x = 517,917,857,232,289.88/20,593,092.80
  6. Step 6: Final answer
    x = 25,150,076.40

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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.