Home / 8,589,918-11,853,784.68-4,722,411.12

Finding the Fourth Proportional to 8,589,918, 11,853,784.68 and 4,722,411.12

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Solution

The fourth proportional to 8,589,918, 11,853,784.68 and 4,722,411.12 is: 6,516,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589,918 : 11,853,784.68 = 4,722,411.12 : x
  2. Step 2: Convert to fraction form
    8,589,918/11,853,784.68 = 4,722,411.12/x
  3. Step 3: Cross multiply
    8,589,918x = 11,853,784.68 × 4,722,411.12
  4. Step 4: Simplify right side
    8,589,918x = 55,978,444,586,917.64
  5. Step 5: Solve for x
    x = 55,978,444,586,917.64/8,589,918
  6. Step 6: Final answer
    x = 6,516,761.23

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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.