Home / 13,782,602.22-19,021,103.05-7,902,783.53

Finding the Fourth Proportional to 13,782,602.22, 19,021,103.05 and 7,902,783.53

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Solution

The fourth proportional to 13,782,602.22, 19,021,103.05 and 7,902,783.53 is: 10,906,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782,602.22 : 19,021,103.05 = 7,902,783.53 : x
  2. Step 2: Convert to fraction form
    13,782,602.22/19,021,103.05 = 7,902,783.53/x
  3. Step 3: Cross multiply
    13,782,602.22x = 19,021,103.05 × 7,902,783.53
  4. Step 4: Simplify right side
    13,782,602.22x = 150,319,659,791,110.28
  5. Step 5: Solve for x
    x = 150,319,659,791,110.28/13,782,602.22
  6. Step 6: Final answer
    x = 10,906,478.86

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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.