Home / 7,836,109.05-11,748,797.45-3,990,487.34

Finding the Fourth Proportional to 7,836,109.05, 11,748,797.45 and 3,990,487.34

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Solution

The fourth proportional to 7,836,109.05, 11,748,797.45 and 3,990,487.34 is: 5,982,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836,109.05 : 11,748,797.45 = 3,990,487.34 : x
  2. Step 2: Convert to fraction form
    7,836,109.05/11,748,797.45 = 3,990,487.34/x
  3. Step 3: Cross multiply
    7,836,109.05x = 11,748,797.45 × 3,990,487.34
  4. Step 4: Simplify right side
    7,836,109.05x = 46,883,427,508,833.16
  5. Step 5: Solve for x
    x = 46,883,427,508,833.16/7,836,109.05
  6. Step 6: Final answer
    x = 5,982,998.35

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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.