Home / 12,051,318.73-16,635,909.38-8,136,378.46

Finding the Fourth Proportional to 12,051,318.73, 16,635,909.38 and 8,136,378.46

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Solution

The fourth proportional to 12,051,318.73, 16,635,909.38 and 8,136,378.46 is: 11,231,638.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051,318.73 : 16,635,909.38 = 8,136,378.46 : x
  2. Step 2: Convert to fraction form
    12,051,318.73/16,635,909.38 = 8,136,378.46/x
  3. Step 3: Cross multiply
    12,051,318.73x = 16,635,909.38 × 8,136,378.46
  4. Step 4: Simplify right side
    12,051,318.73x = 135,356,054,741,943.95
  5. Step 5: Solve for x
    x = 135,356,054,741,943.95/12,051,318.73
  6. Step 6: Final answer
    x = 11,231,638.44

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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.