Home / 12,201,723.24-18,283,662.61-7,071,428.46

Finding the Fourth Proportional to 12,201,723.24, 18,283,662.61 and 7,071,428.46

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Solution

The fourth proportional to 12,201,723.24, 18,283,662.61 and 7,071,428.46 is: 10,596,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,723.24 : 18,283,662.61 = 7,071,428.46 : x
  2. Step 2: Convert to fraction form
    12,201,723.24/18,283,662.61 = 7,071,428.46/x
  3. Step 3: Cross multiply
    12,201,723.24x = 18,283,662.61 × 7,071,428.46
  4. Step 4: Simplify right side
    12,201,723.24x = 129,291,612,133,391.88
  5. Step 5: Solve for x
    x = 129,291,612,133,391.88/12,201,723.24
  6. Step 6: Final answer
    x = 10,596,176.42

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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.