Home / 21,687,894.30-32,531,917.49-5,513,847.31

Finding the Fourth Proportional to 21,687,894.30, 32,531,917.49 and 5,513,847.31

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Solution

The fourth proportional to 21,687,894.30, 32,531,917.49 and 5,513,847.31 is: 8,270,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,687,894.30 : 32,531,917.49 = 5,513,847.31 : x
  2. Step 2: Convert to fraction form
    21,687,894.30/32,531,917.49 = 5,513,847.31/x
  3. Step 3: Cross multiply
    21,687,894.30x = 32,531,917.49 × 5,513,847.31
  4. Step 4: Simplify right side
    21,687,894.30x = 179,376,025,551,149.62
  5. Step 5: Solve for x
    x = 179,376,025,551,149.62/21,687,894.30
  6. Step 6: Final answer
    x = 8,270,790.29

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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.