Home / 11,242,654.80-16,861,458.24-5,171,555.76

Finding the Fourth Proportional to 11,242,654.80, 16,861,458.24 and 5,171,555.76

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Solution

The fourth proportional to 11,242,654.80, 16,861,458.24 and 5,171,555.76 is: 7,756,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242,654.80 : 16,861,458.24 = 5,171,555.76 : x
  2. Step 2: Convert to fraction form
    11,242,654.80/16,861,458.24 = 5,171,555.76/x
  3. Step 3: Cross multiply
    11,242,654.80x = 16,861,458.24 × 5,171,555.76
  4. Step 4: Simplify right side
    11,242,654.80x = 87,199,971,483,071.45
  5. Step 5: Solve for x
    x = 87,199,971,483,071.45/11,242,654.80
  6. Step 6: Final answer
    x = 7,756,172.63

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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.