Home / 36,646,490.82-50,576,644.05-21,176,575.47

Finding the Fourth Proportional to 36,646,490.82, 50,576,644.05 and 21,176,575.47

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Solution

The fourth proportional to 36,646,490.82, 50,576,644.05 and 21,176,575.47 is: 29,226,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,646,490.82 : 50,576,644.05 = 21,176,575.47 : x
  2. Step 2: Convert to fraction form
    36,646,490.82/50,576,644.05 = 21,176,575.47/x
  3. Step 3: Cross multiply
    36,646,490.82x = 50,576,644.05 × 21,176,575.47
  4. Step 4: Simplify right side
    36,646,490.82x = 1,071,040,119,744,151.38
  5. Step 5: Solve for x
    x = 1,071,040,119,744,151.38/36,646,490.82
  6. Step 6: Final answer
    x = 29,226,266.85

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Double scale
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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.