Home / 7,892,057.28-10,892,859.02-4,629,919.96

Finding the Fourth Proportional to 7,892,057.28, 10,892,859.02 and 4,629,919.96

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Solution

The fourth proportional to 7,892,057.28, 10,892,859.02 and 4,629,919.96 is: 6,390,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892,057.28 : 10,892,859.02 = 4,629,919.96 : x
  2. Step 2: Convert to fraction form
    7,892,057.28/10,892,859.02 = 4,629,919.96/x
  3. Step 3: Cross multiply
    7,892,057.28x = 10,892,859.02 × 4,629,919.96
  4. Step 4: Simplify right side
    7,892,057.28x = 50,433,065,398,164.04
  5. Step 5: Solve for x
    x = 50,433,065,398,164.04/7,892,057.28
  6. Step 6: Final answer
    x = 6,390,357.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.