Home / 7,381,620.80-11,072,431.20-5,492,052.80

Finding the Fourth Proportional to 7,381,620.80, 11,072,431.20 and 5,492,052.80

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Solution

The fourth proportional to 7,381,620.80, 11,072,431.20 and 5,492,052.80 is: 8,238,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,620.80 : 11,072,431.20 = 5,492,052.80 : x
  2. Step 2: Convert to fraction form
    7,381,620.80/11,072,431.20 = 5,492,052.80/x
  3. Step 3: Cross multiply
    7,381,620.80x = 11,072,431.20 × 5,492,052.80
  4. Step 4: Simplify right side
    7,381,620.80x = 60,810,376,774,767.35
  5. Step 5: Solve for x
    x = 60,810,376,774,767.35/7,381,620.80
  6. Step 6: Final answer
    x = 8,238,079.20

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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.