Home / 21,209,284.04-31,769,785.92-13,494,714.44

Finding the Fourth Proportional to 21,209,284.04, 31,769,785.92 and 13,494,714.44

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Solution

The fourth proportional to 21,209,284.04, 31,769,785.92 and 13,494,714.44 is: 20,213,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,209,284.04 : 31,769,785.92 = 13,494,714.44 : x
  2. Step 2: Convert to fraction form
    21,209,284.04/31,769,785.92 = 13,494,714.44/x
  3. Step 3: Cross multiply
    21,209,284.04x = 31,769,785.92 × 13,494,714.44
  4. Step 4: Simplify right side
    21,209,284.04x = 428,724,188,810,332.69
  5. Step 5: Solve for x
    x = 428,724,188,810,332.69/21,209,284.04
  6. Step 6: Final answer
    x = 20,213,986.86

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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.