Home / 7,836,126.89-11,748,824.27-3,990,505.28

Finding the Fourth Proportional to 7,836,126.89, 11,748,824.27 and 3,990,505.28

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Solution

The fourth proportional to 7,836,126.89, 11,748,824.27 and 3,990,505.28 is: 5,983,025.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836,126.89 : 11,748,824.27 = 3,990,505.28 : x
  2. Step 2: Convert to fraction form
    7,836,126.89/11,748,824.27 = 3,990,505.28/x
  3. Step 3: Cross multiply
    7,836,126.89x = 11,748,824.27 × 3,990,505.28
  4. Step 4: Simplify right side
    7,836,126.89x = 46,883,745,204,530.50
  5. Step 5: Solve for x
    x = 46,883,745,204,530.50/7,836,126.89
  6. Step 6: Final answer
    x = 5,983,025.27

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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.