Home / 20,464,619.98-28,238,495.42-12,205,651.56

Finding the Fourth Proportional to 20,464,619.98, 28,238,495.42 and 12,205,651.56

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Solution

The fourth proportional to 20,464,619.98, 28,238,495.42 and 12,205,651.56 is: 16,842,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464,619.98 : 28,238,495.42 = 12,205,651.56 : x
  2. Step 2: Convert to fraction form
    20,464,619.98/28,238,495.42 = 12,205,651.56/x
  3. Step 3: Cross multiply
    20,464,619.98x = 28,238,495.42 × 12,205,651.56
  4. Step 4: Simplify right side
    20,464,619.98x = 344,669,235,675,175.88
  5. Step 5: Solve for x
    x = 344,669,235,675,175.88/20,464,619.98
  6. Step 6: Final answer
    x = 16,842,200.64

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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.