Home / 6,870,640.80-10,305,961.20-6,240,784.80

Finding the Fourth Proportional to 6,870,640.80, 10,305,961.20 and 6,240,784.80

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Solution

The fourth proportional to 6,870,640.80, 10,305,961.20 and 6,240,784.80 is: 9,361,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870,640.80 : 10,305,961.20 = 6,240,784.80 : x
  2. Step 2: Convert to fraction form
    6,870,640.80/10,305,961.20 = 6,240,784.80/x
  3. Step 3: Cross multiply
    6,870,640.80x = 10,305,961.20 × 6,240,784.80
  4. Step 4: Simplify right side
    6,870,640.80x = 64,317,286,006,349.75
  5. Step 5: Solve for x
    x = 64,317,286,006,349.75/6,870,640.80
  6. Step 6: Final answer
    x = 9,361,177.20

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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.