Home / 7,428,665.80-11,143,990.14-2,939,892.04

Finding the Fourth Proportional to 7,428,665.80, 11,143,990.14 and 2,939,892.04

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Solution

The fourth proportional to 7,428,665.80, 11,143,990.14 and 2,939,892.04 is: 4,410,230.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428,665.80 : 11,143,990.14 = 2,939,892.04 : x
  2. Step 2: Convert to fraction form
    7,428,665.80/11,143,990.14 = 2,939,892.04/x
  3. Step 3: Cross multiply
    7,428,665.80x = 11,143,990.14 × 2,939,892.04
  4. Step 4: Simplify right side
    7,428,665.80x = 32,762,127,906,424.49
  5. Step 5: Solve for x
    x = 32,762,127,906,424.49/7,428,665.80
  6. Step 6: Final answer
    x = 4,410,230.42

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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.