Home / 12,012,219.66-18,021,400.87-3,492,556.13

Finding the Fourth Proportional to 12,012,219.66, 18,021,400.87 and 3,492,556.13

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Solution

The fourth proportional to 12,012,219.66, 18,021,400.87 and 3,492,556.13 is: 5,239,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,219.66 : 18,021,400.87 = 3,492,556.13 : x
  2. Step 2: Convert to fraction form
    12,012,219.66/18,021,400.87 = 3,492,556.13/x
  3. Step 3: Cross multiply
    12,012,219.66x = 18,021,400.87 × 3,492,556.13
  4. Step 4: Simplify right side
    12,012,219.66x = 62,940,754,116,027.94
  5. Step 5: Solve for x
    x = 62,940,754,116,027.94/12,012,219.66
  6. Step 6: Final answer
    x = 5,239,727.20

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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.