Home / 7,658,208.20-10,568,327.12-4,220,449.22

Finding the Fourth Proportional to 7,658,208.20, 10,568,327.12 and 4,220,449.22

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Solution

The fourth proportional to 7,658,208.20, 10,568,327.12 and 4,220,449.22 is: 5,824,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658,208.20 : 10,568,327.12 = 4,220,449.22 : x
  2. Step 2: Convert to fraction form
    7,658,208.20/10,568,327.12 = 4,220,449.22/x
  3. Step 3: Cross multiply
    7,658,208.20x = 10,568,327.12 × 4,220,449.22
  4. Step 4: Simplify right side
    7,658,208.20x = 44,603,087,950,308.84
  5. Step 5: Solve for x
    x = 44,603,087,950,308.84/7,658,208.20
  6. Step 6: Final answer
    x = 5,824,219.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.