Home / 22,057,658.70-30,431,219.31-13,681,153.86

Finding the Fourth Proportional to 22,057,658.70, 30,431,219.31 and 13,681,153.86

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Solution

The fourth proportional to 22,057,658.70, 30,431,219.31 and 13,681,153.86 is: 18,874,813.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,057,658.70 : 30,431,219.31 = 13,681,153.86 : x
  2. Step 2: Convert to fraction form
    22,057,658.70/30,431,219.31 = 13,681,153.86/x
  3. Step 3: Cross multiply
    22,057,658.70x = 30,431,219.31 × 13,681,153.86
  4. Step 4: Simplify right side
    22,057,658.70x = 416,334,193,527,513
  5. Step 5: Solve for x
    x = 416,334,193,527,513/22,057,658.70
  6. Step 6: Final answer
    x = 18,874,813.47

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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.