Home / 12,132,580.26-18,199,244.06-5,305,639.35

Finding the Fourth Proportional to 12,132,580.26, 18,199,244.06 and 5,305,639.35

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Solution

The fourth proportional to 12,132,580.26, 18,199,244.06 and 5,305,639.35 is: 7,958,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132,580.26 : 18,199,244.06 = 5,305,639.35 : x
  2. Step 2: Convert to fraction form
    12,132,580.26/18,199,244.06 = 5,305,639.35/x
  3. Step 3: Cross multiply
    12,132,580.26x = 18,199,244.06 × 5,305,639.35
  4. Step 4: Simplify right side
    12,132,580.26x = 96,558,625,398,461.56
  5. Step 5: Solve for x
    x = 96,558,625,398,461.56/12,132,580.26
  6. Step 6: Final answer
    x = 7,958,622.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.