Home / 10,887,221.70-16,330,832.55-7,485,999.30

Finding the Fourth Proportional to 10,887,221.70, 16,330,832.55 and 7,485,999.30

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Solution

The fourth proportional to 10,887,221.70, 16,330,832.55 and 7,485,999.30 is: 11,228,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887,221.70 : 16,330,832.55 = 7,485,999.30 : x
  2. Step 2: Convert to fraction form
    10,887,221.70/16,330,832.55 = 7,485,999.30/x
  3. Step 3: Cross multiply
    10,887,221.70x = 16,330,832.55 × 7,485,999.30
  4. Step 4: Simplify right side
    10,887,221.70x = 122,252,601,037,717.22
  5. Step 5: Solve for x
    x = 122,252,601,037,717.22/10,887,221.70
  6. Step 6: Final answer
    x = 11,228,998.95

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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.