Home / 11,811,856.50-16,307,447.85-7,744,561.38

Finding the Fourth Proportional to 11,811,856.50, 16,307,447.85 and 7,744,561.38

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Solution

The fourth proportional to 11,811,856.50, 16,307,447.85 and 7,744,561.38 is: 10,692,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811,856.50 : 16,307,447.85 = 7,744,561.38 : x
  2. Step 2: Convert to fraction form
    11,811,856.50/16,307,447.85 = 7,744,561.38/x
  3. Step 3: Cross multiply
    11,811,856.50x = 16,307,447.85 × 7,744,561.38
  4. Step 4: Simplify right side
    11,811,856.50x = 126,294,030,825,474.03
  5. Step 5: Solve for x
    x = 126,294,030,825,474.03/11,811,856.50
  6. Step 6: Final answer
    x = 10,692,140.63

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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.