Home / 11,205,760.62-15,471,089.66-9,145,690.18

Finding the Fourth Proportional to 11,205,760.62, 15,471,089.66 and 9,145,690.18

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Solution

The fourth proportional to 11,205,760.62, 15,471,089.66 and 9,145,690.18 is: 12,626,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205,760.62 : 15,471,089.66 = 9,145,690.18 : x
  2. Step 2: Convert to fraction form
    11,205,760.62/15,471,089.66 = 9,145,690.18/x
  3. Step 3: Cross multiply
    11,205,760.62x = 15,471,089.66 × 9,145,690.18
  4. Step 4: Simplify right side
    11,205,760.62x = 141,493,792,777,361.53
  5. Step 5: Solve for x
    x = 141,493,792,777,361.53/11,205,760.62
  6. Step 6: Final answer
    x = 12,626,879.83

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1.5x scale

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.