Home / 13,782,601.97-19,021,102.70-7,902,783.27

Finding the Fourth Proportional to 13,782,601.97, 19,021,102.70 and 7,902,783.27

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Solution

The fourth proportional to 13,782,601.97, 19,021,102.70 and 7,902,783.27 is: 10,906,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782,601.97 : 19,021,102.70 = 7,902,783.27 : x
  2. Step 2: Convert to fraction form
    13,782,601.97/19,021,102.70 = 7,902,783.27/x
  3. Step 3: Cross multiply
    13,782,601.97x = 19,021,102.70 × 7,902,783.27
  4. Step 4: Simplify right side
    13,782,601.97x = 150,319,652,194,511.81
  5. Step 5: Solve for x
    x = 150,319,652,194,511.81/13,782,601.97
  6. Step 6: Final answer
    x = 10,906,478.51

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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.