Home / 7,381,168.80-11,071,753.20-5,467,981.20

Finding the Fourth Proportional to 7,381,168.80, 11,071,753.20 and 5,467,981.20

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Solution

The fourth proportional to 7,381,168.80, 11,071,753.20 and 5,467,981.20 is: 8,201,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,168.80 : 11,071,753.20 = 5,467,981.20 : x
  2. Step 2: Convert to fraction form
    7,381,168.80/11,071,753.20 = 5,467,981.20/x
  3. Step 3: Cross multiply
    7,381,168.80x = 11,071,753.20 × 5,467,981.20
  4. Step 4: Simplify right side
    7,381,168.80x = 60,540,138,348,639.84
  5. Step 5: Solve for x
    x = 60,540,138,348,639.84/7,381,168.80
  6. Step 6: Final answer
    x = 8,201,971.80

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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.