Home / 15,795,911.05-21,797,939.11-8,826,645.87

Finding the Fourth Proportional to 15,795,911.05, 21,797,939.11 and 8,826,645.87

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Solution

The fourth proportional to 15,795,911.05, 21,797,939.11 and 8,826,645.87 is: 12,180,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795,911.05 : 21,797,939.11 = 8,826,645.87 : x
  2. Step 2: Convert to fraction form
    15,795,911.05/21,797,939.11 = 8,826,645.87/x
  3. Step 3: Cross multiply
    15,795,911.05x = 21,797,939.11 × 8,826,645.87
  4. Step 4: Simplify right side
    15,795,911.05x = 192,402,689,312,568.53
  5. Step 5: Solve for x
    x = 192,402,689,312,568.53/15,795,911.05
  6. Step 6: Final answer
    x = 12,180,537.65

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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.