Home / 7,135,910.64-9,847,561.74-3,872,724.57

Finding the Fourth Proportional to 7,135,910.64, 9,847,561.74 and 3,872,724.57

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Solution

The fourth proportional to 7,135,910.64, 9,847,561.74 and 3,872,724.57 is: 5,344,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,910.64 : 9,847,561.74 = 3,872,724.57 : x
  2. Step 2: Convert to fraction form
    7,135,910.64/9,847,561.74 = 3,872,724.57/x
  3. Step 3: Cross multiply
    7,135,910.64x = 9,847,561.74 × 3,872,724.57
  4. Step 4: Simplify right side
    7,135,910.64x = 38,136,894,305,089.95
  5. Step 5: Solve for x
    x = 38,136,894,305,089.95/7,135,910.64
  6. Step 6: Final answer
    x = 5,344,362.65

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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.