Home / 7,238,135.88-10,840,662.36-3,454,275.96

Finding the Fourth Proportional to 7,238,135.88, 10,840,662.36 and 3,454,275.96

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Solution

The fourth proportional to 7,238,135.88, 10,840,662.36 and 3,454,275.96 is: 5,173,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238,135.88 : 10,840,662.36 = 3,454,275.96 : x
  2. Step 2: Convert to fraction form
    7,238,135.88/10,840,662.36 = 3,454,275.96/x
  3. Step 3: Cross multiply
    7,238,135.88x = 10,840,662.36 × 3,454,275.96
  4. Step 4: Simplify right side
    7,238,135.88x = 37,446,639,380,624.86
  5. Step 5: Solve for x
    x = 37,446,639,380,624.86/7,238,135.88
  6. Step 6: Final answer
    x = 5,173,519.81

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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.