Home / 12,513,388.95-18,777,183.84-6,756,045.84

Finding the Fourth Proportional to 12,513,388.95, 18,777,183.84 and 6,756,045.84

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Solution

The fourth proportional to 12,513,388.95, 18,777,183.84 and 6,756,045.84 is: 10,137,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,388.95 : 18,777,183.84 = 6,756,045.84 : x
  2. Step 2: Convert to fraction form
    12,513,388.95/18,777,183.84 = 6,756,045.84/x
  3. Step 3: Cross multiply
    12,513,388.95x = 18,777,183.84 × 6,756,045.84
  4. Step 4: Simplify right side
    12,513,388.95x = 126,859,514,769,147.22
  5. Step 5: Solve for x
    x = 126,859,514,769,147.22/12,513,388.95
  6. Step 6: Final answer
    x = 10,137,902.31

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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.