Home / 21,702,012.80-32,503,252.80-21,204,348.80

Finding the Fourth Proportional to 21,702,012.80, 32,503,252.80 and 21,204,348.80

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Solution

The fourth proportional to 21,702,012.80, 32,503,252.80 and 21,204,348.80 is: 31,757,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702,012.80 : 32,503,252.80 = 21,204,348.80 : x
  2. Step 2: Convert to fraction form
    21,702,012.80/32,503,252.80 = 21,204,348.80/x
  3. Step 3: Cross multiply
    21,702,012.80x = 32,503,252.80 × 21,204,348.80
  4. Step 4: Simplify right side
    21,702,012.80x = 689,210,309,505,776.62
  5. Step 5: Solve for x
    x = 689,210,309,505,776.62/21,702,012.80
  6. Step 6: Final answer
    x = 31,757,898.03

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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.