Home / 22,618,397.55-31,213,524.39-12,305,194.47

Finding the Fourth Proportional to 22,618,397.55, 31,213,524.39 and 12,305,194.47

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Solution

The fourth proportional to 22,618,397.55, 31,213,524.39 and 12,305,194.47 is: 16,981,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618,397.55 : 31,213,524.39 = 12,305,194.47 : x
  2. Step 2: Convert to fraction form
    22,618,397.55/31,213,524.39 = 12,305,194.47/x
  3. Step 3: Cross multiply
    22,618,397.55x = 31,213,524.39 × 12,305,194.47
  4. Step 4: Simplify right side
    22,618,397.55x = 384,088,487,713,038.12
  5. Step 5: Solve for x
    x = 384,088,487,713,038.12/22,618,397.55
  6. Step 6: Final answer
    x = 16,981,242.23

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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.