Home / 13,636,290.72-20,449,120.32-5,111,976

Finding the Fourth Proportional to 13,636,290.72, 20,449,120.32 and 5,111,976

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Solution

The fourth proportional to 13,636,290.72, 20,449,120.32 and 5,111,976 is: 7,665,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636,290.72 : 20,449,120.32 = 5,111,976 : x
  2. Step 2: Convert to fraction form
    13,636,290.72/20,449,120.32 = 5,111,976/x
  3. Step 3: Cross multiply
    13,636,290.72x = 20,449,120.32 × 5,111,976
  4. Step 4: Simplify right side
    13,636,290.72x = 104,535,412,296,952.33
  5. Step 5: Solve for x
    x = 104,535,412,296,952.33/13,636,290.72
  6. Step 6: Final answer
    x = 7,665,971.23

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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.