Home / 13,460,879.82-20,159,140.05-7,763,832.30

Finding the Fourth Proportional to 13,460,879.82, 20,159,140.05 and 7,763,832.30

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Solution

The fourth proportional to 13,460,879.82, 20,159,140.05 and 7,763,832.30 is: 11,627,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460,879.82 : 20,159,140.05 = 7,763,832.30 : x
  2. Step 2: Convert to fraction form
    13,460,879.82/20,159,140.05 = 7,763,832.30/x
  3. Step 3: Cross multiply
    13,460,879.82x = 20,159,140.05 × 7,763,832.30
  4. Step 4: Simplify right side
    13,460,879.82x = 156,512,182,660,413.62
  5. Step 5: Solve for x
    x = 156,512,182,660,413.62/13,460,879.82
  6. Step 6: Final answer
    x = 11,627,188.17

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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.