Home / 26,561,770.16-36,672,167.18-21,678,640.21

Finding the Fourth Proportional to 26,561,770.16, 36,672,167.18 and 21,678,640.21

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Solution

The fourth proportional to 26,561,770.16, 36,672,167.18 and 21,678,640.21 is: 29,930,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,561,770.16 : 36,672,167.18 = 21,678,640.21 : x
  2. Step 2: Convert to fraction form
    26,561,770.16/36,672,167.18 = 21,678,640.21/x
  3. Step 3: Cross multiply
    26,561,770.16x = 36,672,167.18 × 21,678,640.21
  4. Step 4: Simplify right side
    26,561,770.16x = 795,002,718,016,190.38
  5. Step 5: Solve for x
    x = 795,002,718,016,190.38/26,561,770.16
  6. Step 6: Final answer
    x = 29,930,336.47

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Double scale
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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.