Home / 18,845,040-28,243,120.97-8,462,592.73

Finding the Fourth Proportional to 18,845,040, 28,243,120.97 and 8,462,592.73

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Solution

The fourth proportional to 18,845,040, 28,243,120.97 and 8,462,592.73 is: 12,682,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845,040 : 28,243,120.97 = 8,462,592.73 : x
  2. Step 2: Convert to fraction form
    18,845,040/28,243,120.97 = 8,462,592.73/x
  3. Step 3: Cross multiply
    18,845,040x = 28,243,120.97 × 8,462,592.73
  4. Step 4: Simplify right side
    18,845,040x = 239,010,030,193,232.56
  5. Step 5: Solve for x
    x = 239,010,030,193,232.56/18,845,040
  6. Step 6: Final answer
    x = 12,682,914.45

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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.