Home / 7,223,372.80-9,961,797.90-4,778,481.76

Finding the Fourth Proportional to 7,223,372.80, 9,961,797.90 and 4,778,481.76

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Solution

The fourth proportional to 7,223,372.80, 9,961,797.90 and 4,778,481.76 is: 6,590,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223,372.80 : 9,961,797.90 = 4,778,481.76 : x
  2. Step 2: Convert to fraction form
    7,223,372.80/9,961,797.90 = 4,778,481.76/x
  3. Step 3: Cross multiply
    7,223,372.80x = 9,961,797.90 × 4,778,481.76
  4. Step 4: Simplify right side
    7,223,372.80x = 47,602,269,561,956.30
  5. Step 5: Solve for x
    x = 47,602,269,561,956.30/7,223,372.80
  6. Step 6: Final answer
    x = 6,590,033.61

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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.