Home / 13,700,540.36-18,906,744.16-8,193,914.36

Finding the Fourth Proportional to 13,700,540.36, 18,906,744.16 and 8,193,914.36

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Solution

The fourth proportional to 13,700,540.36, 18,906,744.16 and 8,193,914.36 is: 11,307,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700,540.36 : 18,906,744.16 = 8,193,914.36 : x
  2. Step 2: Convert to fraction form
    13,700,540.36/18,906,744.16 = 8,193,914.36/x
  3. Step 3: Cross multiply
    13,700,540.36x = 18,906,744.16 × 8,193,914.36
  4. Step 4: Simplify right side
    13,700,540.36x = 154,920,242,473,470.16
  5. Step 5: Solve for x
    x = 154,920,242,473,470.16/13,700,540.36
  6. Step 6: Final answer
    x = 11,307,600.90

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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.