Home / 12,414,144.51-18,623,896.99-3,778,920.20

Finding the Fourth Proportional to 12,414,144.51, 18,623,896.99 and 3,778,920.20

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Solution

The fourth proportional to 12,414,144.51, 18,623,896.99 and 3,778,920.20 is: 5,669,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414,144.51 : 18,623,896.99 = 3,778,920.20 : x
  2. Step 2: Convert to fraction form
    12,414,144.51/18,623,896.99 = 3,778,920.20/x
  3. Step 3: Cross multiply
    12,414,144.51x = 18,623,896.99 × 3,778,920.20
  4. Step 4: Simplify right side
    12,414,144.51x = 70,378,220,575,342.64
  5. Step 5: Solve for x
    x = 70,378,220,575,342.64/12,414,144.51
  6. Step 6: Final answer
    x = 5,669,196.18

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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.