Home / 26,561,769.16-36,672,165.80-21,678,639.21

Finding the Fourth Proportional to 26,561,769.16, 36,672,165.80 and 21,678,639.21

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Solution

The fourth proportional to 26,561,769.16, 36,672,165.80 and 21,678,639.21 is: 29,930,335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,561,769.16 : 36,672,165.80 = 21,678,639.21 : x
  2. Step 2: Convert to fraction form
    26,561,769.16/36,672,165.80 = 21,678,639.21/x
  3. Step 3: Cross multiply
    26,561,769.16x = 36,672,165.80 × 21,678,639.21
  4. Step 4: Simplify right side
    26,561,769.16x = 795,002,651,427,501
  5. Step 5: Solve for x
    x = 795,002,651,427,501/26,561,769.16
  6. Step 6: Final answer
    x = 29,930,335.09

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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.