Home / 12,544,770.47-18,814,910.99-7,982,266.46

Finding the Fourth Proportional to 12,544,770.47, 18,814,910.99 and 7,982,266.46

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Solution

The fourth proportional to 12,544,770.47, 18,814,910.99 and 7,982,266.46 is: 11,971,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544,770.47 : 18,814,910.99 = 7,982,266.46 : x
  2. Step 2: Convert to fraction form
    12,544,770.47/18,814,910.99 = 7,982,266.46/x
  3. Step 3: Cross multiply
    12,544,770.47x = 18,814,910.99 × 7,982,266.46
  4. Step 4: Simplify right side
    12,544,770.47x = 150,185,632,809,376.50
  5. Step 5: Solve for x
    x = 150,185,632,809,376.50/12,544,770.47
  6. Step 6: Final answer
    x = 11,971,971.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.