Home / 29,022,413.39-40,049,729.72-15,791,645.68

Finding the Fourth Proportional to 29,022,413.39, 40,049,729.72 and 15,791,645.68

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Solution

The fourth proportional to 29,022,413.39, 40,049,729.72 and 15,791,645.68 is: 21,791,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,022,413.39 : 40,049,729.72 = 15,791,645.68 : x
  2. Step 2: Convert to fraction form
    29,022,413.39/40,049,729.72 = 15,791,645.68/x
  3. Step 3: Cross multiply
    29,022,413.39x = 40,049,729.72 × 15,791,645.68
  4. Step 4: Simplify right side
    29,022,413.39x = 632,451,141,318,005.62
  5. Step 5: Solve for x
    x = 632,451,141,318,005.62/29,022,413.39
  6. Step 6: Final answer
    x = 21,791,817.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.