Home / 9,361,360.40-12,918,694.91-5,231,391.57

Finding the Fourth Proportional to 9,361,360.40, 12,918,694.91 and 5,231,391.57

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Solution

The fourth proportional to 9,361,360.40, 12,918,694.91 and 5,231,391.57 is: 7,219,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,360.40 : 12,918,694.91 = 5,231,391.57 : x
  2. Step 2: Convert to fraction form
    9,361,360.40/12,918,694.91 = 5,231,391.57/x
  3. Step 3: Cross multiply
    9,361,360.40x = 12,918,694.91 × 5,231,391.57
  4. Step 4: Simplify right side
    9,361,360.40x = 67,582,751,582,982.44
  5. Step 5: Solve for x
    x = 67,582,751,582,982.44/9,361,360.40
  6. Step 6: Final answer
    x = 7,219,330.17

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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.