Home / 7,239,748.60-10,861,080.90-2,122,168.60

Finding the Fourth Proportional to 7,239,748.60, 10,861,080.90 and 2,122,168.60

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Solution

The fourth proportional to 7,239,748.60, 10,861,080.90 and 2,122,168.60 is: 3,183,680.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,748.60 : 10,861,080.90 = 2,122,168.60 : x
  2. Step 2: Convert to fraction form
    7,239,748.60/10,861,080.90 = 2,122,168.60/x
  3. Step 3: Cross multiply
    7,239,748.60x = 10,861,080.90 × 2,122,168.60
  4. Step 4: Simplify right side
    7,239,748.60x = 23,049,044,848,039.74
  5. Step 5: Solve for x
    x = 23,049,044,848,039.74/7,239,748.60
  6. Step 6: Final answer
    x = 3,183,680.28

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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.