Home / 9,204,091.21-12,702,078.35-5,129,739.37

Finding the Fourth Proportional to 9,204,091.21, 12,702,078.35 and 5,129,739.37

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Solution

The fourth proportional to 9,204,091.21, 12,702,078.35 and 5,129,739.37 is: 7,079,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,204,091.21 : 12,702,078.35 = 5,129,739.37 : x
  2. Step 2: Convert to fraction form
    9,204,091.21/12,702,078.35 = 5,129,739.37/x
  3. Step 3: Cross multiply
    9,204,091.21x = 12,702,078.35 × 5,129,739.37
  4. Step 4: Simplify right side
    9,204,091.21x = 65,158,351,392,819.64
  5. Step 5: Solve for x
    x = 65,158,351,392,819.64/9,204,091.21
  6. Step 6: Final answer
    x = 7,079,281.37

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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.