Home / 20,118,408.66-30,177,622.71-6,655,236.66

Finding the Fourth Proportional to 20,118,408.66, 30,177,622.71 and 6,655,236.66

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Solution

The fourth proportional to 20,118,408.66, 30,177,622.71 and 6,655,236.66 is: 9,982,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,408.66 : 30,177,622.71 = 6,655,236.66 : x
  2. Step 2: Convert to fraction form
    20,118,408.66/30,177,622.71 = 6,655,236.66/x
  3. Step 3: Cross multiply
    20,118,408.66x = 30,177,622.71 × 6,655,236.66
  4. Step 4: Simplify right side
    20,118,408.66x = 200,839,220,971,240.56
  5. Step 5: Solve for x
    x = 200,839,220,971,240.56/20,118,408.66
  6. Step 6: Final answer
    x = 9,982,858.21

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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.