Home / 12,755,323.73-19,140,920.26-5,182,289.48

Finding the Fourth Proportional to 12,755,323.73, 19,140,920.26 and 5,182,289.48

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Solution

The fourth proportional to 12,755,323.73, 19,140,920.26 and 5,182,289.48 is: 7,776,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755,323.73 : 19,140,920.26 = 5,182,289.48 : x
  2. Step 2: Convert to fraction form
    12,755,323.73/19,140,920.26 = 5,182,289.48/x
  3. Step 3: Cross multiply
    12,755,323.73x = 19,140,920.26 × 5,182,289.48
  4. Step 4: Simplify right side
    12,755,323.73x = 99,193,789,735,813.44
  5. Step 5: Solve for x
    x = 99,193,789,735,813.44/12,755,323.73
  6. Step 6: Final answer
    x = 7,776,657.95

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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.