Home / 16,420,100.40-24,588,160.20-12,137,079.60

Finding the Fourth Proportional to 16,420,100.40, 24,588,160.20 and 12,137,079.60

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Solution

The fourth proportional to 16,420,100.40, 24,588,160.20 and 12,137,079.60 is: 18,174,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420,100.40 : 24,588,160.20 = 12,137,079.60 : x
  2. Step 2: Convert to fraction form
    16,420,100.40/24,588,160.20 = 12,137,079.60/x
  3. Step 3: Cross multiply
    16,420,100.40x = 24,588,160.20 × 12,137,079.60
  4. Step 4: Simplify right side
    16,420,100.40x = 298,428,457,564,951.88
  5. Step 5: Solve for x
    x = 298,428,457,564,951.88/16,420,100.40
  6. Step 6: Final answer
    x = 18,174,581.78

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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.