Home / 14,151,769.20-21,227,653.80-13,915,573.20

Finding the Fourth Proportional to 14,151,769.20, 21,227,653.80 and 13,915,573.20

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Solution

The fourth proportional to 14,151,769.20, 21,227,653.80 and 13,915,573.20 is: 20,873,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151,769.20 : 21,227,653.80 = 13,915,573.20 : x
  2. Step 2: Convert to fraction form
    14,151,769.20/21,227,653.80 = 13,915,573.20/x
  3. Step 3: Cross multiply
    14,151,769.20x = 21,227,653.80 × 13,915,573.20
  4. Step 4: Simplify right side
    14,151,769.20x = 295,394,970,318,158.12
  5. Step 5: Solve for x
    x = 295,394,970,318,158.12/14,151,769.20
  6. Step 6: Final answer
    x = 20,873,359.80

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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.