Home / 13,040,791.38-19,535,740.02-8,539,420.50

Finding the Fourth Proportional to 13,040,791.38, 19,535,740.02 and 8,539,420.50

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Solution

The fourth proportional to 13,040,791.38, 19,535,740.02 and 8,539,420.50 is: 12,792,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,791.38 : 19,535,740.02 = 8,539,420.50 : x
  2. Step 2: Convert to fraction form
    13,040,791.38/19,535,740.02 = 8,539,420.50/x
  3. Step 3: Cross multiply
    13,040,791.38x = 19,535,740.02 × 8,539,420.50
  4. Step 4: Simplify right side
    13,040,791.38x = 166,823,898,809,458.41
  5. Step 5: Solve for x
    x = 166,823,898,809,458.41/13,040,791.38
  6. Step 6: Final answer
    x = 12,792,467.42

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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.