Home / 12,446,658.60-18,669,987.90-12,366,942.45

Finding the Fourth Proportional to 12,446,658.60, 18,669,987.90 and 12,366,942.45

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Solution

The fourth proportional to 12,446,658.60, 18,669,987.90 and 12,366,942.45 is: 18,550,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446,658.60 : 18,669,987.90 = 12,366,942.45 : x
  2. Step 2: Convert to fraction form
    12,446,658.60/18,669,987.90 = 12,366,942.45/x
  3. Step 3: Cross multiply
    12,446,658.60x = 18,669,987.90 × 12,366,942.45
  4. Step 4: Simplify right side
    12,446,658.60x = 230,890,665,901,496.31
  5. Step 5: Solve for x
    x = 230,890,665,901,496.31/12,446,658.60
  6. Step 6: Final answer
    x = 18,550,413.68

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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.