Home / 11,123,999.10-16,685,998.65-8,735,211.90

Finding the Fourth Proportional to 11,123,999.10, 16,685,998.65 and 8,735,211.90

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Solution

The fourth proportional to 11,123,999.10, 16,685,998.65 and 8,735,211.90 is: 13,102,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123,999.10 : 16,685,998.65 = 8,735,211.90 : x
  2. Step 2: Convert to fraction form
    11,123,999.10/16,685,998.65 = 8,735,211.90/x
  3. Step 3: Cross multiply
    11,123,999.10x = 16,685,998.65 × 8,735,211.90
  4. Step 4: Simplify right side
    11,123,999.10x = 145,755,733,970,863.94
  5. Step 5: Solve for x
    x = 145,755,733,970,863.94/11,123,999.10
  6. Step 6: Final answer
    x = 13,102,817.85

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1.5x scale

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.