Home / 13,780,227.47-19,018,524.75-7,902,161.96

Finding the Fourth Proportional to 13,780,227.47, 19,018,524.75 and 7,902,161.96

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Solution

The fourth proportional to 13,780,227.47, 19,018,524.75 and 7,902,161.96 is: 10,906,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,227.47 : 19,018,524.75 = 7,902,161.96 : x
  2. Step 2: Convert to fraction form
    13,780,227.47/19,018,524.75 = 7,902,161.96/x
  3. Step 3: Cross multiply
    13,780,227.47x = 19,018,524.75 × 7,902,161.96
  4. Step 4: Simplify right side
    13,780,227.47x = 150,287,462,814,768.50
  5. Step 5: Solve for x
    x = 150,287,462,814,768.50/13,780,227.47
  6. Step 6: Final answer
    x = 10,906,021.92

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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.