Home / 9,989,525.76-13,785,546.24-5,405,847.36

Finding the Fourth Proportional to 9,989,525.76, 13,785,546.24 and 5,405,847.36

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Solution

The fourth proportional to 9,989,525.76, 13,785,546.24 and 5,405,847.36 is: 7,460,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,525.76 : 13,785,546.24 = 5,405,847.36 : x
  2. Step 2: Convert to fraction form
    9,989,525.76/13,785,546.24 = 5,405,847.36/x
  3. Step 3: Cross multiply
    9,989,525.76x = 13,785,546.24 × 5,405,847.36
  4. Step 4: Simplify right side
    9,989,525.76x = 74,522,558,747,661.94
  5. Step 5: Solve for x
    x = 74,522,558,747,661.94/9,989,525.76
  6. Step 6: Final answer
    x = 7,460,069.73

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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.