Home / 7,289,278.43-10,929,687.53-3,451,068.44

Finding the Fourth Proportional to 7,289,278.43, 10,929,687.53 and 3,451,068.44

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Solution

The fourth proportional to 7,289,278.43, 10,929,687.53 and 3,451,068.44 is: 5,174,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289,278.43 : 10,929,687.53 = 3,451,068.44 : x
  2. Step 2: Convert to fraction form
    7,289,278.43/10,929,687.53 = 3,451,068.44/x
  3. Step 3: Cross multiply
    7,289,278.43x = 10,929,687.53 × 3,451,068.44
  4. Step 4: Simplify right side
    7,289,278.43x = 37,719,099,693,844.55
  5. Step 5: Solve for x
    x = 37,719,099,693,844.55/7,289,278.43
  6. Step 6: Final answer
    x = 5,174,599.94

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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.