Home / 19,967,872.98-29,951,897.22-6,321,086.40

Finding the Fourth Proportional to 19,967,872.98, 29,951,897.22 and 6,321,086.40

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Solution

The fourth proportional to 19,967,872.98, 29,951,897.22 and 6,321,086.40 is: 9,481,657.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967,872.98 : 29,951,897.22 = 6,321,086.40 : x
  2. Step 2: Convert to fraction form
    19,967,872.98/29,951,897.22 = 6,321,086.40/x
  3. Step 3: Cross multiply
    19,967,872.98x = 29,951,897.22 × 6,321,086.40
  4. Step 4: Simplify right side
    19,967,872.98x = 189,328,530,171,539.81
  5. Step 5: Solve for x
    x = 189,328,530,171,539.81/19,967,872.98
  6. Step 6: Final answer
    x = 9,481,657.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.