Home / 13,560,408.58-18,702,536.10-8,918,958.52

Finding the Fourth Proportional to 13,560,408.58, 18,702,536.10 and 8,918,958.52

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Solution

The fourth proportional to 13,560,408.58, 18,702,536.10 and 8,918,958.52 is: 12,301,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560,408.58 : 18,702,536.10 = 8,918,958.52 : x
  2. Step 2: Convert to fraction form
    13,560,408.58/18,702,536.10 = 8,918,958.52/x
  3. Step 3: Cross multiply
    13,560,408.58x = 18,702,536.10 × 8,918,958.52
  4. Step 4: Simplify right side
    13,560,408.58x = 166,807,143,694,702.56
  5. Step 5: Solve for x
    x = 166,807,143,694,702.56/13,560,408.58
  6. Step 6: Final answer
    x = 12,301,041.13

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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.