Home / 7,268,571.42-10,030,490.85-4,005,687.78

Finding the Fourth Proportional to 7,268,571.42, 10,030,490.85 and 4,005,687.78

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Solution

The fourth proportional to 7,268,571.42, 10,030,490.85 and 4,005,687.78 is: 5,527,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,571.42 : 10,030,490.85 = 4,005,687.78 : x
  2. Step 2: Convert to fraction form
    7,268,571.42/10,030,490.85 = 4,005,687.78/x
  3. Step 3: Cross multiply
    7,268,571.42x = 10,030,490.85 × 4,005,687.78
  4. Step 4: Simplify right side
    7,268,571.42x = 40,179,014,625,246.81
  5. Step 5: Solve for x
    x = 40,179,014,625,246.81/7,268,571.42
  6. Step 6: Final answer
    x = 5,527,773.25

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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.