Home / 17,281,093.80-25,921,640.70-12,478,636.20

Finding the Fourth Proportional to 17,281,093.80, 25,921,640.70 and 12,478,636.20

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Solution

The fourth proportional to 17,281,093.80, 25,921,640.70 and 12,478,636.20 is: 18,717,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,281,093.80 : 25,921,640.70 = 12,478,636.20 : x
  2. Step 2: Convert to fraction form
    17,281,093.80/25,921,640.70 = 12,478,636.20/x
  3. Step 3: Cross multiply
    17,281,093.80x = 25,921,640.70 × 12,478,636.20
  4. Step 4: Simplify right side
    17,281,093.80x = 323,466,724,002,413.31
  5. Step 5: Solve for x
    x = 323,466,724,002,413.31/17,281,093.80
  6. Step 6: Final answer
    x = 18,717,954.30

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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.