Home / 8,622,678.66-11,898,896.25-4,949,009.74

Finding the Fourth Proportional to 8,622,678.66, 11,898,896.25 and 4,949,009.74

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Solution

The fourth proportional to 8,622,678.66, 11,898,896.25 and 4,949,009.74 is: 6,829,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622,678.66 : 11,898,896.25 = 4,949,009.74 : x
  2. Step 2: Convert to fraction form
    8,622,678.66/11,898,896.25 = 4,949,009.74/x
  3. Step 3: Cross multiply
    8,622,678.66x = 11,898,896.25 × 4,949,009.74
  4. Step 4: Simplify right side
    8,622,678.66x = 58,887,753,436,499.48
  5. Step 5: Solve for x
    x = 58,887,753,436,499.48/8,622,678.66
  6. Step 6: Final answer
    x = 6,829,403.69

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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.