Home / 20,446,550.19-28,211,206.64-12,497,080.59

Finding the Fourth Proportional to 20,446,550.19, 28,211,206.64 and 12,497,080.59

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Solution

The fourth proportional to 20,446,550.19, 28,211,206.64 and 12,497,080.59 is: 17,242,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446,550.19 : 28,211,206.64 = 12,497,080.59 : x
  2. Step 2: Convert to fraction form
    20,446,550.19/28,211,206.64 = 12,497,080.59/x
  3. Step 3: Cross multiply
    20,446,550.19x = 28,211,206.64 × 12,497,080.59
  4. Step 4: Simplify right side
    20,446,550.19x = 352,557,722,858,737.75
  5. Step 5: Solve for x
    x = 352,557,722,858,737.75/20,446,550.19
  6. Step 6: Final answer
    x = 17,242,895.24

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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.