Home / 9,508,229.82-13,121,260.65-5,157,222.71

Finding the Fourth Proportional to 9,508,229.82, 13,121,260.65 and 5,157,222.71

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Solution

The fourth proportional to 9,508,229.82, 13,121,260.65 and 5,157,222.71 is: 7,116,914.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508,229.82 : 13,121,260.65 = 5,157,222.71 : x
  2. Step 2: Convert to fraction form
    9,508,229.82/13,121,260.65 = 5,157,222.71/x
  3. Step 3: Cross multiply
    9,508,229.82x = 13,121,260.65 × 5,157,222.71
  4. Step 4: Simplify right side
    9,508,229.82x = 67,669,263,342,403.06
  5. Step 5: Solve for x
    x = 67,669,263,342,403.06/9,508,229.82
  6. Step 6: Final answer
    x = 7,116,914.99

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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.