Home / 13,782,602.97-19,021,104.08-7,902,784.27

Finding the Fourth Proportional to 13,782,602.97, 19,021,104.08 and 7,902,784.27

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Solution

The fourth proportional to 13,782,602.97, 19,021,104.08 and 7,902,784.27 is: 10,906,479.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782,602.97 : 19,021,104.08 = 7,902,784.27 : x
  2. Step 2: Convert to fraction form
    13,782,602.97/19,021,104.08 = 7,902,784.27/x
  3. Step 3: Cross multiply
    13,782,602.97x = 19,021,104.08 × 7,902,784.27
  4. Step 4: Simplify right side
    13,782,602.97x = 150,319,682,121,456.81
  5. Step 5: Solve for x
    x = 150,319,682,121,456.81/13,782,602.97
  6. Step 6: Final answer
    x = 10,906,479.89

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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.