Home / 12,526,847.01-18,790,280.82-3,429,019.95

Finding the Fourth Proportional to 12,526,847.01, 18,790,280.82 and 3,429,019.95

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Solution

The fourth proportional to 12,526,847.01, 18,790,280.82 and 3,429,019.95 is: 5,143,532.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526,847.01 : 18,790,280.82 = 3,429,019.95 : x
  2. Step 2: Convert to fraction form
    12,526,847.01/18,790,280.82 = 3,429,019.95/x
  3. Step 3: Cross multiply
    12,526,847.01x = 18,790,280.82 × 3,429,019.95
  4. Step 4: Simplify right side
    12,526,847.01x = 64,432,247,797,882.37
  5. Step 5: Solve for x
    x = 64,432,247,797,882.37/12,526,847.01
  6. Step 6: Final answer
    x = 5,143,532.75

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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.