Home / 7,638,383.20-10,540,758.54-4,200,624.22

Finding the Fourth Proportional to 7,638,383.20, 10,540,758.54 and 4,200,624.22

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Solution

The fourth proportional to 7,638,383.20, 10,540,758.54 and 4,200,624.22 is: 5,796,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,383.20 : 10,540,758.54 = 4,200,624.22 : x
  2. Step 2: Convert to fraction form
    7,638,383.20/10,540,758.54 = 4,200,624.22/x
  3. Step 3: Cross multiply
    7,638,383.20x = 10,540,758.54 × 4,200,624.22
  4. Step 4: Simplify right side
    7,638,383.20x = 44,277,765,620,295.84
  5. Step 5: Solve for x
    x = 44,277,765,620,295.84/7,638,383.20
  6. Step 6: Final answer
    x = 5,796,745.79

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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.