Home / 11,242,655.55-16,861,459.37-5,171,556.51

Finding the Fourth Proportional to 11,242,655.55, 16,861,459.37 and 5,171,556.51

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Solution

The fourth proportional to 11,242,655.55, 16,861,459.37 and 5,171,556.51 is: 7,756,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242,655.55 : 16,861,459.37 = 5,171,556.51 : x
  2. Step 2: Convert to fraction form
    11,242,655.55/16,861,459.37 = 5,171,556.51/x
  3. Step 3: Cross multiply
    11,242,655.55x = 16,861,459.37 × 5,171,556.51
  4. Step 4: Simplify right side
    11,242,655.55x = 87,199,989,947,166.20
  5. Step 5: Solve for x
    x = 87,199,989,947,166.20/11,242,655.55
  6. Step 6: Final answer
    x = 7,756,173.76

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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.