Home / 20,198,778.23-27,874,492.13-11,497,510.98

Finding the Fourth Proportional to 20,198,778.23, 27,874,492.13 and 11,497,510.98

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Solution

The fourth proportional to 20,198,778.23, 27,874,492.13 and 11,497,510.98 is: 15,866,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,778.23 : 27,874,492.13 = 11,497,510.98 : x
  2. Step 2: Convert to fraction form
    20,198,778.23/27,874,492.13 = 11,497,510.98/x
  3. Step 3: Cross multiply
    20,198,778.23x = 27,874,492.13 × 11,497,510.98
  4. Step 4: Simplify right side
    20,198,778.23x = 320,487,279,355,342.38
  5. Step 5: Solve for x
    x = 320,487,279,355,342.38/20,198,778.23
  6. Step 6: Final answer
    x = 15,866,666.57

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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.