Home / 14,658,016.87-20,228,087.11-8,131,646.48

Finding the Fourth Proportional to 14,658,016.87, 20,228,087.11 and 8,131,646.48

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Solution

The fourth proportional to 14,658,016.87, 20,228,087.11 and 8,131,646.48 is: 11,221,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,016.87 : 20,228,087.11 = 8,131,646.48 : x
  2. Step 2: Convert to fraction form
    14,658,016.87/20,228,087.11 = 8,131,646.48/x
  3. Step 3: Cross multiply
    14,658,016.87x = 20,228,087.11 × 8,131,646.48
  4. Step 4: Simplify right side
    14,658,016.87x = 164,487,653,345,164.88
  5. Step 5: Solve for x
    x = 164,487,653,345,164.88/14,658,016.87
  6. Step 6: Final answer
    x = 11,221,685.37

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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.