Home / 12,201,724.24-18,283,664.11-7,071,429.46

Finding the Fourth Proportional to 12,201,724.24, 18,283,664.11 and 7,071,429.46

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Solution

The fourth proportional to 12,201,724.24, 18,283,664.11 and 7,071,429.46 is: 10,596,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,724.24 : 18,283,664.11 = 7,071,429.46 : x
  2. Step 2: Convert to fraction form
    12,201,724.24/18,283,664.11 = 7,071,429.46/x
  3. Step 3: Cross multiply
    12,201,724.24x = 18,283,664.11 × 7,071,429.46
  4. Step 4: Simplify right side
    12,201,724.24x = 129,291,641,024,198.67
  5. Step 5: Solve for x
    x = 129,291,641,024,198.67/12,201,724.24
  6. Step 6: Final answer
    x = 10,596,177.92

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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.