Home / 7,120,268.24-10,680,402.28-1,728,882.32

Finding the Fourth Proportional to 7,120,268.24, 10,680,402.28 and 1,728,882.32

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Solution

The fourth proportional to 7,120,268.24, 10,680,402.28 and 1,728,882.32 is: 2,593,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,268.24 : 10,680,402.28 = 1,728,882.32 : x
  2. Step 2: Convert to fraction form
    7,120,268.24/10,680,402.28 = 1,728,882.32/x
  3. Step 3: Cross multiply
    7,120,268.24x = 10,680,402.28 × 1,728,882.32
  4. Step 4: Simplify right side
    7,120,268.24x = 18,465,158,672,379.69
  5. Step 5: Solve for x
    x = 18,465,158,672,379.69/7,120,268.24
  6. Step 6: Final answer
    x = 2,593,323.46

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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.