Home / 12,394,522.70-18,573,631.95-11,115,127.70

Finding the Fourth Proportional to 12,394,522.70, 18,573,631.95 and 11,115,127.70

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Solution

The fourth proportional to 12,394,522.70, 18,573,631.95 and 11,115,127.70 is: 16,656,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,522.70 : 18,573,631.95 = 11,115,127.70 : x
  2. Step 2: Convert to fraction form
    12,394,522.70/18,573,631.95 = 11,115,127.70/x
  3. Step 3: Cross multiply
    12,394,522.70x = 18,573,631.95 × 11,115,127.70
  4. Step 4: Simplify right side
    12,394,522.70x = 206,448,290,977,050
  5. Step 5: Solve for x
    x = 206,448,290,977,050/12,394,522.70
  6. Step 6: Final answer
    x = 16,656,413.16

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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.