Home / 22,057,658.20-30,431,218.62-13,681,153.36

Finding the Fourth Proportional to 22,057,658.20, 30,431,218.62 and 13,681,153.36

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Solution

The fourth proportional to 22,057,658.20, 30,431,218.62 and 13,681,153.36 is: 18,874,812.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,057,658.20 : 30,431,218.62 = 13,681,153.36 : x
  2. Step 2: Convert to fraction form
    22,057,658.20/30,431,218.62 = 13,681,153.36/x
  3. Step 3: Cross multiply
    22,057,658.20x = 30,431,218.62 × 13,681,153.36
  4. Step 4: Simplify right side
    22,057,658.20x = 416,334,168,871,907.56
  5. Step 5: Solve for x
    x = 416,334,168,871,907.56/22,057,658.20
  6. Step 6: Final answer
    x = 18,874,812.78

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1.5x scale

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.