Home / 20,332,816.50-30,500,205.63-6,685,660.74

Finding the Fourth Proportional to 20,332,816.50, 30,500,205.63 and 6,685,660.74

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Solution

The fourth proportional to 20,332,816.50, 30,500,205.63 and 6,685,660.74 is: 10,028,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332,816.50 : 30,500,205.63 = 6,685,660.74 : x
  2. Step 2: Convert to fraction form
    20,332,816.50/30,500,205.63 = 6,685,660.74/x
  3. Step 3: Cross multiply
    20,332,816.50x = 30,500,205.63 × 6,685,660.74
  4. Step 4: Simplify right side
    20,332,816.50x = 203,914,027,342,417.97
  5. Step 5: Solve for x
    x = 203,914,027,342,417.97/20,332,816.50
  6. Step 6: Final answer
    x = 10,028,813.63

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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.