Home / 20,777,235.36-28,675,433.14-11,956,505.36

Finding the Fourth Proportional to 20,777,235.36, 28,675,433.14 and 11,956,505.36

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Solution

The fourth proportional to 20,777,235.36, 28,675,433.14 and 11,956,505.36 is: 16,501,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,235.36 : 28,675,433.14 = 11,956,505.36 : x
  2. Step 2: Convert to fraction form
    20,777,235.36/28,675,433.14 = 11,956,505.36/x
  3. Step 3: Cross multiply
    20,777,235.36x = 28,675,433.14 × 11,956,505.36
  4. Step 4: Simplify right side
    20,777,235.36x = 342,857,970,038,731.62
  5. Step 5: Solve for x
    x = 342,857,970,038,731.62/20,777,235.36
  6. Step 6: Final answer
    x = 16,501,616.51

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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.