Home / 13,517,850.87-18,654,554.34-7,323,015.69

Finding the Fourth Proportional to 13,517,850.87, 18,654,554.34 and 7,323,015.69

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Solution

The fourth proportional to 13,517,850.87, 18,654,554.34 and 7,323,015.69 is: 10,105,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517,850.87 : 18,654,554.34 = 7,323,015.69 : x
  2. Step 2: Convert to fraction form
    13,517,850.87/18,654,554.34 = 7,323,015.69/x
  3. Step 3: Cross multiply
    13,517,850.87x = 18,654,554.34 × 7,323,015.69
  4. Step 4: Simplify right side
    13,517,850.87x = 136,607,594,121,777.59
  5. Step 5: Solve for x
    x = 136,607,594,121,777.59/13,517,850.87
  6. Step 6: Final answer
    x = 10,105,718.39

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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.