Home / 20,862,786.11-31,287,774.21-14,427,217.24

Finding the Fourth Proportional to 20,862,786.11, 31,287,774.21 and 14,427,217.24

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Solution

The fourth proportional to 20,862,786.11, 31,287,774.21 and 14,427,217.24 is: 21,636,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,786.11 : 31,287,774.21 = 14,427,217.24 : x
  2. Step 2: Convert to fraction form
    20,862,786.11/31,287,774.21 = 14,427,217.24/x
  3. Step 3: Cross multiply
    20,862,786.11x = 31,287,774.21 × 14,427,217.24
  4. Step 4: Simplify right side
    20,862,786.11x = 451,395,515,601,068.56
  5. Step 5: Solve for x
    x = 451,395,515,601,068.56/20,862,786.11
  6. Step 6: Final answer
    x = 21,636,396.66

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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.