Home / 12,055,172.43-18,081,326.07-3,966,142.06

Finding the Fourth Proportional to 12,055,172.43, 18,081,326.07 and 3,966,142.06

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Solution

The fourth proportional to 12,055,172.43, 18,081,326.07 and 3,966,142.06 is: 5,948,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055,172.43 : 18,081,326.07 = 3,966,142.06 : x
  2. Step 2: Convert to fraction form
    12,055,172.43/18,081,326.07 = 3,966,142.06/x
  3. Step 3: Cross multiply
    12,055,172.43x = 18,081,326.07 × 3,966,142.06
  4. Step 4: Simplify right side
    12,055,172.43x = 71,713,107,849,403.16
  5. Step 5: Solve for x
    x = 71,713,107,849,403.16/12,055,172.43
  6. Step 6: Final answer
    x = 5,948,741.77

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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.