Home / 12,241,126.20-18,453,369.81-11,419,047.48

Finding the Fourth Proportional to 12,241,126.20, 18,453,369.81 and 11,419,047.48

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Solution

The fourth proportional to 12,241,126.20, 18,453,369.81 and 11,419,047.48 is: 17,214,094.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,126.20 : 18,453,369.81 = 11,419,047.48 : x
  2. Step 2: Convert to fraction form
    12,241,126.20/18,453,369.81 = 11,419,047.48/x
  3. Step 3: Cross multiply
    12,241,126.20x = 18,453,369.81 × 11,419,047.48
  4. Step 4: Simplify right side
    12,241,126.20x = 210,719,906,026,388.56
  5. Step 5: Solve for x
    x = 210,719,906,026,388.56/12,241,126.20
  6. Step 6: Final answer
    x = 17,214,094.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.