Home / 13,782,600.72-19,021,100.98-7,902,782.02

Finding the Fourth Proportional to 13,782,600.72, 19,021,100.98 and 7,902,782.02

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Solution

The fourth proportional to 13,782,600.72, 19,021,100.98 and 7,902,782.02 is: 10,906,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782,600.72 : 19,021,100.98 = 7,902,782.02 : x
  2. Step 2: Convert to fraction form
    13,782,600.72/19,021,100.98 = 7,902,782.02/x
  3. Step 3: Cross multiply
    13,782,600.72x = 19,021,100.98 × 7,902,782.02
  4. Step 4: Simplify right side
    13,782,600.72x = 150,319,614,843,156.62
  5. Step 5: Solve for x
    x = 150,319,614,843,156.62/13,782,600.72
  6. Step 6: Final answer
    x = 10,906,476.79

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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.