Home / 20,563,687.62-30,883,950.95-18,102,576.04

Finding the Fourth Proportional to 20,563,687.62, 30,883,950.95 and 18,102,576.04

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Solution

The fourth proportional to 20,563,687.62, 30,883,950.95 and 18,102,576.04 is: 27,187,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563,687.62 : 30,883,950.95 = 18,102,576.04 : x
  2. Step 2: Convert to fraction form
    20,563,687.62/30,883,950.95 = 18,102,576.04/x
  3. Step 3: Cross multiply
    20,563,687.62x = 30,883,950.95 × 18,102,576.04
  4. Step 4: Simplify right side
    20,563,687.62x = 559,079,070,488,005.19
  5. Step 5: Solve for x
    x = 559,079,070,488,005.19/20,563,687.62
  6. Step 6: Final answer
    x = 27,187,685.44

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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.