Home / 21,560,736.76-29,767,247.11-13,724,672.02

Finding the Fourth Proportional to 21,560,736.76, 29,767,247.11 and 13,724,672.02

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Solution

The fourth proportional to 21,560,736.76, 29,767,247.11 and 13,724,672.02 is: 18,948,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560,736.76 : 29,767,247.11 = 13,724,672.02 : x
  2. Step 2: Convert to fraction form
    21,560,736.76/29,767,247.11 = 13,724,672.02/x
  3. Step 3: Cross multiply
    21,560,736.76x = 29,767,247.11 × 13,724,672.02
  4. Step 4: Simplify right side
    21,560,736.76x = 408,545,703,523,042.81
  5. Step 5: Solve for x
    x = 408,545,703,523,042.81/21,560,736.76
  6. Step 6: Final answer
    x = 18,948,596.61

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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.