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Finding the Fourth Proportional to 43,062,372.80, 64,606,000.80 and 12,770,964.80

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Solution

The fourth proportional to 43,062,372.80, 64,606,000.80 and 12,770,964.80 is: 19,160,136.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,062,372.80 : 64,606,000.80 = 12,770,964.80 : x
  2. Step 2: Convert to fraction form
    43,062,372.80/64,606,000.80 = 12,770,964.80/x
  3. Step 3: Cross multiply
    43,062,372.80x = 64,606,000.80 × 12,770,964.80
  4. Step 4: Simplify right side
    43,062,372.80x = 825,080,962,085,571.88
  5. Step 5: Solve for x
    x = 825,080,962,085,571.88/43,062,372.80
  6. Step 6: Final answer
    x = 19,160,136.99

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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.