Home / 7,889,847.50-10,887,989.56-4,268,175.50

Finding the Fourth Proportional to 7,889,847.50, 10,887,989.56 and 4,268,175.50

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Solution

The fourth proportional to 7,889,847.50, 10,887,989.56 and 4,268,175.50 is: 5,890,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,847.50 : 10,887,989.56 = 4,268,175.50 : x
  2. Step 2: Convert to fraction form
    7,889,847.50/10,887,989.56 = 4,268,175.50/x
  3. Step 3: Cross multiply
    7,889,847.50x = 10,887,989.56 × 4,268,175.50
  4. Step 4: Simplify right side
    7,889,847.50x = 46,471,850,284,247.78
  5. Step 5: Solve for x
    x = 46,471,850,284,247.78/7,889,847.50
  6. Step 6: Final answer
    x = 5,890,082.20

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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.