Home / 9,622,847.12-13,279,540.22-5,212,581.68

Finding the Fourth Proportional to 9,622,847.12, 13,279,540.22 and 5,212,581.68

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Solution

The fourth proportional to 9,622,847.12, 13,279,540.22 and 5,212,581.68 is: 7,193,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,622,847.12 : 13,279,540.22 = 5,212,581.68 : x
  2. Step 2: Convert to fraction form
    9,622,847.12/13,279,540.22 = 5,212,581.68/x
  3. Step 3: Cross multiply
    9,622,847.12x = 13,279,540.22 × 5,212,581.68
  4. Step 4: Simplify right side
    9,622,847.12x = 69,220,688,069,595.17
  5. Step 5: Solve for x
    x = 69,220,688,069,595.17/9,622,847.12
  6. Step 6: Final answer
    x = 7,193,368.78

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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.