Home / 13,423,832.52-18,524,291.34-7,842,596.37

Finding the Fourth Proportional to 13,423,832.52, 18,524,291.34 and 7,842,596.37

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Solution

The fourth proportional to 13,423,832.52, 18,524,291.34 and 7,842,596.37 is: 10,822,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423,832.52 : 18,524,291.34 = 7,842,596.37 : x
  2. Step 2: Convert to fraction form
    13,423,832.52/18,524,291.34 = 7,842,596.37/x
  3. Step 3: Cross multiply
    13,423,832.52x = 18,524,291.34 × 7,842,596.37
  4. Step 4: Simplify right side
    13,423,832.52x = 145,278,540,019,906.44
  5. Step 5: Solve for x
    x = 145,278,540,019,906.44/13,423,832.52
  6. Step 6: Final answer
    x = 10,822,433.89

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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.