Home / 13,586,604.56-18,749,662.62-7,391,686.22

Finding the Fourth Proportional to 13,586,604.56, 18,749,662.62 and 7,391,686.22

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Solution

The fourth proportional to 13,586,604.56, 18,749,662.62 and 7,391,686.22 is: 10,200,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586,604.56 : 18,749,662.62 = 7,391,686.22 : x
  2. Step 2: Convert to fraction form
    13,586,604.56/18,749,662.62 = 7,391,686.22/x
  3. Step 3: Cross multiply
    13,586,604.56x = 18,749,662.62 × 7,391,686.22
  4. Step 4: Simplify right side
    13,586,604.56x = 138,591,622,817,903.09
  5. Step 5: Solve for x
    x = 138,591,622,817,903.09/13,586,604.56
  6. Step 6: Final answer
    x = 10,200,607.68

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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.