Home / 5,550,440.20-8,313,218.70-4,555,112.20

Finding the Fourth Proportional to 5,550,440.20, 8,313,218.70 and 4,555,112.20

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Solution

The fourth proportional to 5,550,440.20, 8,313,218.70 and 4,555,112.20 is: 6,822,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550,440.20 : 8,313,218.70 = 4,555,112.20 : x
  2. Step 2: Convert to fraction form
    5,550,440.20/8,313,218.70 = 4,555,112.20/x
  3. Step 3: Cross multiply
    5,550,440.20x = 8,313,218.70 × 4,555,112.20
  4. Step 4: Simplify right side
    5,550,440.20x = 37,867,643,921,638.14
  5. Step 5: Solve for x
    x = 37,867,643,921,638.14/5,550,440.20
  6. Step 6: Final answer
    x = 6,822,457.78

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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.