Home / 15,322,179.98-21,144,842.96-8,352,861.60

Finding the Fourth Proportional to 15,322,179.98, 21,144,842.96 and 8,352,861.60

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Solution

The fourth proportional to 15,322,179.98, 21,144,842.96 and 8,352,861.60 is: 11,527,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322,179.98 : 21,144,842.96 = 8,352,861.60 : x
  2. Step 2: Convert to fraction form
    15,322,179.98/21,144,842.96 = 8,352,861.60/x
  3. Step 3: Cross multiply
    15,322,179.98x = 21,144,842.96 × 8,352,861.60
  4. Step 4: Simplify right side
    15,322,179.98x = 176,619,946,798,614.34
  5. Step 5: Solve for x
    x = 176,619,946,798,614.34/15,322,179.98
  6. Step 6: Final answer
    x = 11,527,076.89

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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.