Home / 8,179,383.90-11,288,389.59-4,917,261.18

Finding the Fourth Proportional to 8,179,383.90, 11,288,389.59 and 4,917,261.18

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Solution

The fourth proportional to 8,179,383.90, 11,288,389.59 and 4,917,261.18 is: 6,786,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,383.90 : 11,288,389.59 = 4,917,261.18 : x
  2. Step 2: Convert to fraction form
    8,179,383.90/11,288,389.59 = 4,917,261.18/x
  3. Step 3: Cross multiply
    8,179,383.90x = 11,288,389.59 × 4,917,261.18
  4. Step 4: Simplify right side
    8,179,383.90x = 55,507,959,915,623.11
  5. Step 5: Solve for x
    x = 55,507,959,915,623.11/8,179,383.90
  6. Step 6: Final answer
    x = 6,786,325.30

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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.