Home / 12,544,771.47-18,814,912.48-7,982,267.46

Finding the Fourth Proportional to 12,544,771.47, 18,814,912.48 and 7,982,267.46

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Solution

The fourth proportional to 12,544,771.47, 18,814,912.48 and 7,982,267.46 is: 11,971,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544,771.47 : 18,814,912.48 = 7,982,267.46 : x
  2. Step 2: Convert to fraction form
    12,544,771.47/18,814,912.48 = 7,982,267.46/x
  3. Step 3: Cross multiply
    12,544,771.47x = 18,814,912.48 × 7,982,267.46
  4. Step 4: Simplify right side
    12,544,771.47x = 150,185,663,651,851.91
  5. Step 5: Solve for x
    x = 150,185,663,651,851.91/12,544,771.47
  6. Step 6: Final answer
    x = 11,971,972.87

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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.