Home / 15,356,704.50-21,192,122.25-8,481,038.94

Finding the Fourth Proportional to 15,356,704.50, 21,192,122.25 and 8,481,038.94

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Solution

The fourth proportional to 15,356,704.50, 21,192,122.25 and 8,481,038.94 is: 11,703,761.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,356,704.50 : 21,192,122.25 = 8,481,038.94 : x
  2. Step 2: Convert to fraction form
    15,356,704.50/21,192,122.25 = 8,481,038.94/x
  3. Step 3: Cross multiply
    15,356,704.50x = 21,192,122.25 × 8,481,038.94
  4. Step 4: Simplify right side
    15,356,704.50x = 179,731,214,023,490.41
  5. Step 5: Solve for x
    x = 179,731,214,023,490.41/15,356,704.50
  6. Step 6: Final answer
    x = 11,703,761.96

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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.