Home / 7,380,753.60-11,072,624.64-3,120,914.88

Finding the Fourth Proportional to 7,380,753.60, 11,072,624.64 and 3,120,914.88

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Solution

The fourth proportional to 7,380,753.60, 11,072,624.64 and 3,120,914.88 is: 4,682,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,753.60 : 11,072,624.64 = 3,120,914.88 : x
  2. Step 2: Convert to fraction form
    7,380,753.60/11,072,624.64 = 3,120,914.88/x
  3. Step 3: Cross multiply
    7,380,753.60x = 11,072,624.64 × 3,120,914.88
  4. Step 4: Simplify right side
    7,380,753.60x = 34,556,718,999,630.64
  5. Step 5: Solve for x
    x = 34,556,718,999,630.64/7,380,753.60
  6. Step 6: Final answer
    x = 4,682,004.15

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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.