Home / 11,028,908.10-16,543,362.15-8,477,991.30

Finding the Fourth Proportional to 11,028,908.10, 16,543,362.15 and 8,477,991.30

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Solution

The fourth proportional to 11,028,908.10, 16,543,362.15 and 8,477,991.30 is: 12,716,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028,908.10 : 16,543,362.15 = 8,477,991.30 : x
  2. Step 2: Convert to fraction form
    11,028,908.10/16,543,362.15 = 8,477,991.30/x
  3. Step 3: Cross multiply
    11,028,908.10x = 16,543,362.15 × 8,477,991.30
  4. Step 4: Simplify right side
    11,028,908.10x = 140,254,480,380,449.31
  5. Step 5: Solve for x
    x = 140,254,480,380,449.31/11,028,908.10
  6. Step 6: Final answer
    x = 12,716,986.95

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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.