Home / 7,538,153.27-11,308,491.10-5,918,856.78

Finding the Fourth Proportional to 7,538,153.27, 11,308,491.10 and 5,918,856.78

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Solution

The fourth proportional to 7,538,153.27, 11,308,491.10 and 5,918,856.78 is: 8,879,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538,153.27 : 11,308,491.10 = 5,918,856.78 : x
  2. Step 2: Convert to fraction form
    7,538,153.27/11,308,491.10 = 5,918,856.78/x
  3. Step 3: Cross multiply
    7,538,153.27x = 11,308,491.10 × 5,918,856.78
  4. Step 4: Simplify right side
    7,538,153.27x = 66,933,339,204,007.52
  5. Step 5: Solve for x
    x = 66,933,339,204,007.52/7,538,153.27
  6. Step 6: Final answer
    x = 8,879,275.44

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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.