Home / 8,219,604.55-12,279,005.20-5,925,550.90

Finding the Fourth Proportional to 8,219,604.55, 12,279,005.20 and 5,925,550.90

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Solution

The fourth proportional to 8,219,604.55, 12,279,005.20 and 5,925,550.90 is: 8,851,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219,604.55 : 12,279,005.20 = 5,925,550.90 : x
  2. Step 2: Convert to fraction form
    8,219,604.55/12,279,005.20 = 5,925,550.90/x
  3. Step 3: Cross multiply
    8,219,604.55x = 12,279,005.20 × 5,925,550.90
  4. Step 4: Simplify right side
    8,219,604.55x = 72,759,870,313,964.69
  5. Step 5: Solve for x
    x = 72,759,870,313,964.69/8,219,604.55
  6. Step 6: Final answer
    x = 8,851,991.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.