Home / 12,906,888-19,361,550.24-3,809,019.84

Finding the Fourth Proportional to 12,906,888, 19,361,550.24 and 3,809,019.84

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Solution

The fourth proportional to 12,906,888, 19,361,550.24 and 3,809,019.84 is: 5,713,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906,888 : 19,361,550.24 = 3,809,019.84 : x
  2. Step 2: Convert to fraction form
    12,906,888/19,361,550.24 = 3,809,019.84/x
  3. Step 3: Cross multiply
    12,906,888x = 19,361,550.24 × 3,809,019.84
  4. Step 4: Simplify right side
    12,906,888x = 73,748,528,997,316.75
  5. Step 5: Solve for x
    x = 73,748,528,997,316.75/12,906,888
  6. Step 6: Final answer
    x = 5,713,889.28

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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.