Home / 15,082,525.50-20,813,710.23-8,206,889.10

Finding the Fourth Proportional to 15,082,525.50, 20,813,710.23 and 8,206,889.10

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Solution

The fourth proportional to 15,082,525.50, 20,813,710.23 and 8,206,889.10 is: 11,325,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,082,525.50 : 20,813,710.23 = 8,206,889.10 : x
  2. Step 2: Convert to fraction form
    15,082,525.50/20,813,710.23 = 8,206,889.10/x
  3. Step 3: Cross multiply
    15,082,525.50x = 20,813,710.23 × 8,206,889.10
  4. Step 4: Simplify right side
    15,082,525.50x = 170,815,811,617,145.50
  5. Step 5: Solve for x
    x = 170,815,811,617,145.50/15,082,525.50
  6. Step 6: Final answer
    x = 11,325,411.76

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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.