Home / 7,675,145.28-11,510,268.48-3,126,185.28

Finding the Fourth Proportional to 7,675,145.28, 11,510,268.48 and 3,126,185.28

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Solution

The fourth proportional to 7,675,145.28, 11,510,268.48 and 3,126,185.28 is: 4,688,280.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675,145.28 : 11,510,268.48 = 3,126,185.28 : x
  2. Step 2: Convert to fraction form
    7,675,145.28/11,510,268.48 = 3,126,185.28/x
  3. Step 3: Cross multiply
    7,675,145.28x = 11,510,268.48 × 3,126,185.28
  4. Step 4: Simplify right side
    7,675,145.28x = 35,983,231,891,023.98
  5. Step 5: Solve for x
    x = 35,983,231,891,023.98/7,675,145.28
  6. Step 6: Final answer
    x = 4,688,280.23

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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.