Home / 7,219,733.76-9,967,761.72-4,645,887.48

Finding the Fourth Proportional to 7,219,733.76, 9,967,761.72 and 4,645,887.48

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Solution

The fourth proportional to 7,219,733.76, 9,967,761.72 and 4,645,887.48 is: 6,414,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,733.76 : 9,967,761.72 = 4,645,887.48 : x
  2. Step 2: Convert to fraction form
    7,219,733.76/9,967,761.72 = 4,645,887.48/x
  3. Step 3: Cross multiply
    7,219,733.76x = 9,967,761.72 × 4,645,887.48
  4. Step 4: Simplify right side
    7,219,733.76x = 46,309,099,378,571.27
  5. Step 5: Solve for x
    x = 46,309,099,378,571.27/7,219,733.76
  6. Step 6: Final answer
    x = 6,414,239.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.