Home / 9,622,682.45-13,279,190.93-5,212,324.79

Finding the Fourth Proportional to 9,622,682.45, 13,279,190.93 and 5,212,324.79

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Solution

The fourth proportional to 9,622,682.45, 13,279,190.93 and 5,212,324.79 is: 7,192,948.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,622,682.45 : 13,279,190.93 = 5,212,324.79 : x
  2. Step 2: Convert to fraction form
    9,622,682.45/13,279,190.93 = 5,212,324.79/x
  3. Step 3: Cross multiply
    9,622,682.45x = 13,279,190.93 × 5,212,324.79
  4. Step 4: Simplify right side
    9,622,682.45x = 69,215,456,052,467.77
  5. Step 5: Solve for x
    x = 69,215,456,052,467.77/9,622,682.45
  6. Step 6: Final answer
    x = 7,192,948.16

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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.