Home / 12,529,845.76-18,796,133.12-4,008,179.20

Finding the Fourth Proportional to 12,529,845.76, 18,796,133.12 and 4,008,179.20

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Solution

The fourth proportional to 12,529,845.76, 18,796,133.12 and 4,008,179.20 is: 6,012,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529,845.76 : 18,796,133.12 = 4,008,179.20 : x
  2. Step 2: Convert to fraction form
    12,529,845.76/18,796,133.12 = 4,008,179.20/x
  3. Step 3: Cross multiply
    12,529,845.76x = 18,796,133.12 × 4,008,179.20
  4. Step 4: Simplify right side
    12,529,845.76x = 75,338,269,812,015.11
  5. Step 5: Solve for x
    x = 75,338,269,812,015.11/12,529,845.76
  6. Step 6: Final answer
    x = 6,012,705.28

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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.