Home / 13,391,784.68-18,482,107.64-7,589,943.54

Finding the Fourth Proportional to 13,391,784.68, 18,482,107.64 and 7,589,943.54

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Solution

The fourth proportional to 13,391,784.68, 18,482,107.64 and 7,589,943.54 is: 10,474,940.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391,784.68 : 18,482,107.64 = 7,589,943.54 : x
  2. Step 2: Convert to fraction form
    13,391,784.68/18,482,107.64 = 7,589,943.54/x
  3. Step 3: Cross multiply
    13,391,784.68x = 18,482,107.64 × 7,589,943.54
  4. Step 4: Simplify right side
    13,391,784.68x = 140,278,153,449,852.94
  5. Step 5: Solve for x
    x = 140,278,153,449,852.94/13,391,784.68
  6. Step 6: Final answer
    x = 10,474,940.93

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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.