Home / 7,887,727.80-11,831,591.70-3,636,199.80

Finding the Fourth Proportional to 7,887,727.80, 11,831,591.70 and 3,636,199.80

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Solution

The fourth proportional to 7,887,727.80, 11,831,591.70 and 3,636,199.80 is: 5,454,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,727.80 : 11,831,591.70 = 3,636,199.80 : x
  2. Step 2: Convert to fraction form
    7,887,727.80/11,831,591.70 = 3,636,199.80/x
  3. Step 3: Cross multiply
    7,887,727.80x = 11,831,591.70 × 3,636,199.80
  4. Step 4: Simplify right side
    7,887,727.80x = 43,022,031,373,221.66
  5. Step 5: Solve for x
    x = 43,022,031,373,221.66/7,887,727.80
  6. Step 6: Final answer
    x = 5,454,299.70

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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.