Home / 7,428,664.80-11,143,988.64-2,939,891.04

Finding the Fourth Proportional to 7,428,664.80, 11,143,988.64 and 2,939,891.04

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Solution

The fourth proportional to 7,428,664.80, 11,143,988.64 and 2,939,891.04 is: 4,410,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428,664.80 : 11,143,988.64 = 2,939,891.04 : x
  2. Step 2: Convert to fraction form
    7,428,664.80/11,143,988.64 = 2,939,891.04/x
  3. Step 3: Cross multiply
    7,428,664.80x = 11,143,988.64 × 2,939,891.04
  4. Step 4: Simplify right side
    7,428,664.80x = 32,762,112,352,597.79
  5. Step 5: Solve for x
    x = 32,762,112,352,597.79/7,428,664.80
  6. Step 6: Final answer
    x = 4,410,228.92

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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.