Home / 12,220,148.16-16,864,338.24-6,787,640.16

Finding the Fourth Proportional to 12,220,148.16, 16,864,338.24 and 6,787,640.16

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Solution

The fourth proportional to 12,220,148.16, 16,864,338.24 and 6,787,640.16 is: 9,367,239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,148.16 : 16,864,338.24 = 6,787,640.16 : x
  2. Step 2: Convert to fraction form
    12,220,148.16/16,864,338.24 = 6,787,640.16/x
  3. Step 3: Cross multiply
    12,220,148.16x = 16,864,338.24 × 6,787,640.16
  4. Step 4: Simplify right side
    12,220,148.16x = 114,469,059,509,647.70
  5. Step 5: Solve for x
    x = 114,469,059,509,647.70/12,220,148.16
  6. Step 6: Final answer
    x = 9,367,239.91

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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.