Home / 13,663,597.44-18,855,198.12-8,157,868.68

Finding the Fourth Proportional to 13,663,597.44, 18,855,198.12 and 8,157,868.68

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Solution

The fourth proportional to 13,663,597.44, 18,855,198.12 and 8,157,868.68 is: 11,257,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663,597.44 : 18,855,198.12 = 8,157,868.68 : x
  2. Step 2: Convert to fraction form
    13,663,597.44/18,855,198.12 = 8,157,868.68/x
  3. Step 3: Cross multiply
    13,663,597.44x = 18,855,198.12 × 8,157,868.68
  4. Step 4: Simplify right side
    13,663,597.44x = 153,818,230,198,342.88
  5. Step 5: Solve for x
    x = 153,818,230,198,342.88/13,663,597.44
  6. Step 6: Final answer
    x = 11,257,520.64

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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.