Home / 7,216,450.72-9,958,714-3,953,194.30

Finding the Fourth Proportional to 7,216,450.72, 9,958,714 and 3,953,194.30

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Solution

The fourth proportional to 7,216,450.72, 9,958,714 and 3,953,194.30 is: 5,455,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,450.72 : 9,958,714 = 3,953,194.30 : x
  2. Step 2: Convert to fraction form
    7,216,450.72/9,958,714 = 3,953,194.30/x
  3. Step 3: Cross multiply
    7,216,450.72x = 9,958,714 × 3,953,194.30
  4. Step 4: Simplify right side
    7,216,450.72x = 39,368,731,420,130.20
  5. Step 5: Solve for x
    x = 39,368,731,420,130.20/7,216,450.72
  6. Step 6: Final answer
    x = 5,455,414.71

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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.