Home / 13,331,402.75-18,398,831.94-7,530,558.05

Finding the Fourth Proportional to 13,331,402.75, 18,398,831.94 and 7,530,558.05

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Solution

The fourth proportional to 13,331,402.75, 18,398,831.94 and 7,530,558.05 is: 10,393,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,402.75 : 18,398,831.94 = 7,530,558.05 : x
  2. Step 2: Convert to fraction form
    13,331,402.75/18,398,831.94 = 7,530,558.05/x
  3. Step 3: Cross multiply
    13,331,402.75x = 18,398,831.94 × 7,530,558.05
  4. Step 4: Simplify right side
    13,331,402.75x = 138,553,472,022,361.22
  5. Step 5: Solve for x
    x = 138,553,472,022,361.22/13,331,402.75
  6. Step 6: Final answer
    x = 10,393,015.24

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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.