Home / 13,782,600.97-19,021,101.32-7,902,782.27

Finding the Fourth Proportional to 13,782,600.97, 19,021,101.32 and 7,902,782.27

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Solution

The fourth proportional to 13,782,600.97, 19,021,101.32 and 7,902,782.27 is: 10,906,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782,600.97 : 19,021,101.32 = 7,902,782.27 : x
  2. Step 2: Convert to fraction form
    13,782,600.97/19,021,101.32 = 7,902,782.27/x
  3. Step 3: Cross multiply
    13,782,600.97x = 19,021,101.32 × 7,902,782.27
  4. Step 4: Simplify right side
    13,782,600.97x = 150,319,622,325,000.81
  5. Step 5: Solve for x
    x = 150,319,622,325,000.81/13,782,600.97
  6. Step 6: Final answer
    x = 10,906,477.13

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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.