Home / 13,361,400.70-20,042,101.05-11,448,213.10

Finding the Fourth Proportional to 13,361,400.70, 20,042,101.05 and 11,448,213.10

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Solution

The fourth proportional to 13,361,400.70, 20,042,101.05 and 11,448,213.10 is: 17,172,319.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,400.70 : 20,042,101.05 = 11,448,213.10 : x
  2. Step 2: Convert to fraction form
    13,361,400.70/20,042,101.05 = 11,448,213.10/x
  3. Step 3: Cross multiply
    13,361,400.70x = 20,042,101.05 × 11,448,213.10
  4. Step 4: Simplify right side
    13,361,400.70x = 229,446,243,792,133.75
  5. Step 5: Solve for x
    x = 229,446,243,792,133.75/13,361,400.70
  6. Step 6: Final answer
    x = 17,172,319.65

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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.