Home / 6,768,485.20-9,340,984.68-3,868,305.04

Finding the Fourth Proportional to 6,768,485.20, 9,340,984.68 and 3,868,305.04

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Solution

The fourth proportional to 6,768,485.20, 9,340,984.68 and 3,868,305.04 is: 5,338,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768,485.20 : 9,340,984.68 = 3,868,305.04 : x
  2. Step 2: Convert to fraction form
    6,768,485.20/9,340,984.68 = 3,868,305.04/x
  3. Step 3: Cross multiply
    6,768,485.20x = 9,340,984.68 × 3,868,305.04
  4. Step 4: Simplify right side
    6,768,485.20x = 36,133,778,116,206.79
  5. Step 5: Solve for x
    x = 36,133,778,116,206.79/6,768,485.20
  6. Step 6: Final answer
    x = 5,338,532.49

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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.