Home / 13,441,413.66-20,146,861.61-11,819,042.39

Finding the Fourth Proportional to 13,441,413.66, 20,146,861.61 and 11,819,042.39

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Solution

The fourth proportional to 13,441,413.66, 20,146,861.61 and 11,819,042.39 is: 17,715,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441,413.66 : 20,146,861.61 = 11,819,042.39 : x
  2. Step 2: Convert to fraction form
    13,441,413.66/20,146,861.61 = 11,819,042.39/x
  3. Step 3: Cross multiply
    13,441,413.66x = 20,146,861.61 × 11,819,042.39
  4. Step 4: Simplify right side
    13,441,413.66x = 238,116,611,234,224.12
  5. Step 5: Solve for x
    x = 238,116,611,234,224.12/13,441,413.66
  6. Step 6: Final answer
    x = 17,715,146.43

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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.