Home / 13,586,686.93-18,749,709.49-7,391,778.07

Finding the Fourth Proportional to 13,586,686.93, 18,749,709.49 and 7,391,778.07

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Solution

The fourth proportional to 13,586,686.93, 18,749,709.49 and 7,391,778.07 is: 10,200,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586,686.93 : 18,749,709.49 = 7,391,778.07 : x
  2. Step 2: Convert to fraction form
    13,586,686.93/18,749,709.49 = 7,391,778.07/x
  3. Step 3: Cross multiply
    13,586,686.93x = 18,749,709.49 × 7,391,778.07
  4. Step 4: Simplify right side
    13,586,686.93x = 138,593,691,427,052.88
  5. Step 5: Solve for x
    x = 138,593,691,427,052.88/13,586,686.93
  6. Step 6: Final answer
    x = 10,200,698.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.