Home / 9,989,490.24-13,782,121.92-6,503,241.60

Finding the Fourth Proportional to 9,989,490.24, 13,782,121.92 and 6,503,241.60

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Solution

The fourth proportional to 9,989,490.24, 13,782,121.92 and 6,503,241.60 is: 8,972,276.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,490.24 : 13,782,121.92 = 6,503,241.60 : x
  2. Step 2: Convert to fraction form
    9,989,490.24/13,782,121.92 = 6,503,241.60/x
  3. Step 3: Cross multiply
    9,989,490.24x = 13,782,121.92 × 6,503,241.60
  4. Step 4: Simplify right side
    9,989,490.24x = 89,628,468,606,415.86
  5. Step 5: Solve for x
    x = 89,628,468,606,415.86/9,989,490.24
  6. Step 6: Final answer
    x = 8,972,276.51

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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.