Home / 13,347,499.37-18,419,694.21-7,841,106.32

Finding the Fourth Proportional to 13,347,499.37, 18,419,694.21 and 7,841,106.32

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Solution

The fourth proportional to 13,347,499.37, 18,419,694.21 and 7,841,106.32 is: 10,820,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347,499.37 : 18,419,694.21 = 7,841,106.32 : x
  2. Step 2: Convert to fraction form
    13,347,499.37/18,419,694.21 = 7,841,106.32/x
  3. Step 3: Cross multiply
    13,347,499.37x = 18,419,694.21 × 7,841,106.32
  4. Step 4: Simplify right side
    13,347,499.37x = 144,430,780,590,399.94
  5. Step 5: Solve for x
    x = 144,430,780,590,399.94/13,347,499.37
  6. Step 6: Final answer
    x = 10,820,811.95

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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.