Home / 11,276,530.78-16,912,086.34-5,205,431.08

Finding the Fourth Proportional to 11,276,530.78, 16,912,086.34 and 5,205,431.08

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Solution

The fourth proportional to 11,276,530.78, 16,912,086.34 and 5,205,431.08 is: 7,806,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276,530.78 : 16,912,086.34 = 5,205,431.08 : x
  2. Step 2: Convert to fraction form
    11,276,530.78/16,912,086.34 = 5,205,431.08/x
  3. Step 3: Cross multiply
    11,276,530.78x = 16,912,086.34 × 5,205,431.08
  4. Step 4: Simplify right side
    11,276,530.78x = 88,034,699,879,766.16
  5. Step 5: Solve for x
    x = 88,034,699,879,766.16/11,276,530.78
  6. Step 6: Final answer
    x = 7,806,895.72

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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.