Home / 20,118,408.29-30,177,622.15-6,655,236.29

Finding the Fourth Proportional to 20,118,408.29, 30,177,622.15 and 6,655,236.29

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Solution

The fourth proportional to 20,118,408.29, 30,177,622.15 and 6,655,236.29 is: 9,982,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,408.29 : 30,177,622.15 = 6,655,236.29 : x
  2. Step 2: Convert to fraction form
    20,118,408.29/30,177,622.15 = 6,655,236.29/x
  3. Step 3: Cross multiply
    20,118,408.29x = 30,177,622.15 × 6,655,236.29
  4. Step 4: Simplify right side
    20,118,408.29x = 200,839,205,911,061.62
  5. Step 5: Solve for x
    x = 200,839,205,911,061.62/20,118,408.29
  6. Step 6: Final answer
    x = 9,982,857.64

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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.