Home / 22,188,526.74-30,629,597.58-13,489,477.20

Finding the Fourth Proportional to 22,188,526.74, 30,629,597.58 and 13,489,477.20

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Solution

The fourth proportional to 22,188,526.74, 30,629,597.58 and 13,489,477.20 is: 18,621,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188,526.74 : 30,629,597.58 = 13,489,477.20 : x
  2. Step 2: Convert to fraction form
    22,188,526.74/30,629,597.58 = 13,489,477.20/x
  3. Step 3: Cross multiply
    22,188,526.74x = 30,629,597.58 × 13,489,477.20
  4. Step 4: Simplify right side
    22,188,526.74x = 413,177,258,200,585.12
  5. Step 5: Solve for x
    x = 413,177,258,200,585.12/22,188,526.74
  6. Step 6: Final answer
    x = 18,621,211.90

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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.