Home / 9,204,090.21-12,702,076.97-5,129,738.37

Finding the Fourth Proportional to 9,204,090.21, 12,702,076.97 and 5,129,738.37

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Solution

The fourth proportional to 9,204,090.21, 12,702,076.97 and 5,129,738.37 is: 7,079,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,204,090.21 : 12,702,076.97 = 5,129,738.37 : x
  2. Step 2: Convert to fraction form
    9,204,090.21/12,702,076.97 = 5,129,738.37/x
  3. Step 3: Cross multiply
    9,204,090.21x = 12,702,076.97 × 5,129,738.37
  4. Step 4: Simplify right side
    9,204,090.21x = 65,158,331,586,053.65
  5. Step 5: Solve for x
    x = 65,158,331,586,053.65/9,204,090.21
  6. Step 6: Final answer
    x = 7,079,279.98

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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.