Home / 21,848,682-30,161,384.82-12,679,553.28

Finding the Fourth Proportional to 21,848,682, 30,161,384.82 and 12,679,553.28

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Solution

The fourth proportional to 21,848,682, 30,161,384.82 and 12,679,553.28 is: 17,503,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,848,682 : 30,161,384.82 = 12,679,553.28 : x
  2. Step 2: Convert to fraction form
    21,848,682/30,161,384.82 = 12,679,553.28/x
  3. Step 3: Cross multiply
    21,848,682x = 30,161,384.82 × 12,679,553.28
  4. Step 4: Simplify right side
    21,848,682x = 382,432,885,823,773.19
  5. Step 5: Solve for x
    x = 382,432,885,823,773.19/21,848,682
  6. Step 6: Final answer
    x = 17,503,705.07

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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.