Home / 22,618,398.55-31,213,525.77-12,305,195.47

Finding the Fourth Proportional to 22,618,398.55, 31,213,525.77 and 12,305,195.47

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Solution

The fourth proportional to 22,618,398.55, 31,213,525.77 and 12,305,195.47 is: 16,981,243.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618,398.55 : 31,213,525.77 = 12,305,195.47 : x
  2. Step 2: Convert to fraction form
    22,618,398.55/31,213,525.77 = 12,305,195.47/x
  3. Step 3: Cross multiply
    22,618,398.55x = 31,213,525.77 × 12,305,195.47
  4. Step 4: Simplify right side
    22,618,398.55x = 384,088,535,907,732.25
  5. Step 5: Solve for x
    x = 384,088,535,907,732.25/22,618,398.55
  6. Step 6: Final answer
    x = 16,981,243.61

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1.5x scale

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.