Home / 6,872,749.20-10,309,123.80-3,836,998.80

Finding the Fourth Proportional to 6,872,749.20, 10,309,123.80 and 3,836,998.80

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Solution

The fourth proportional to 6,872,749.20, 10,309,123.80 and 3,836,998.80 is: 5,755,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,749.20 : 10,309,123.80 = 3,836,998.80 : x
  2. Step 2: Convert to fraction form
    6,872,749.20/10,309,123.80 = 3,836,998.80/x
  3. Step 3: Cross multiply
    6,872,749.20x = 10,309,123.80 × 3,836,998.80
  4. Step 4: Simplify right side
    6,872,749.20x = 39,556,095,649,651.44
  5. Step 5: Solve for x
    x = 39,556,095,649,651.44/6,872,749.20
  6. Step 6: Final answer
    x = 5,755,498.20

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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.