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Finding the Fourth Proportional to 16,798,413.22, 25,201,624.47 and 5,438,865.22

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Solution

The fourth proportional to 16,798,413.22, 25,201,624.47 and 5,438,865.22 is: 8,159,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,798,413.22 : 25,201,624.47 = 5,438,865.22 : x
  2. Step 2: Convert to fraction form
    16,798,413.22/25,201,624.47 = 5,438,865.22/x
  3. Step 3: Cross multiply
    16,798,413.22x = 25,201,624.47 × 5,438,865.22
  4. Step 4: Simplify right side
    16,798,413.22x = 137,068,238,817,383.92
  5. Step 5: Solve for x
    x = 137,068,238,817,383.92/16,798,413.22
  6. Step 6: Final answer
    x = 8,159,594.42

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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.