Home / 8,003,861.96-11,037,868.11-7,409,385.95

Finding the Fourth Proportional to 8,003,861.96, 11,037,868.11 and 7,409,385.95

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Solution

The fourth proportional to 8,003,861.96, 11,037,868.11 and 7,409,385.95 is: 10,218,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003,861.96 : 11,037,868.11 = 7,409,385.95 : x
  2. Step 2: Convert to fraction form
    8,003,861.96/11,037,868.11 = 7,409,385.95/x
  3. Step 3: Cross multiply
    8,003,861.96x = 11,037,868.11 × 7,409,385.95
  4. Step 4: Simplify right side
    8,003,861.96x = 81,783,824,836,997.72
  5. Step 5: Solve for x
    x = 81,783,824,836,997.72/8,003,861.96
  6. Step 6: Final answer
    x = 10,218,045.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.