Home / 20,395,077.60-30,622,767.78-13,613,900.16

Finding the Fourth Proportional to 20,395,077.60, 30,622,767.78 and 13,613,900.16

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Solution

The fourth proportional to 20,395,077.60, 30,622,767.78 and 13,613,900.16 is: 20,440,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395,077.60 : 30,622,767.78 = 13,613,900.16 : x
  2. Step 2: Convert to fraction form
    20,395,077.60/30,622,767.78 = 13,613,900.16/x
  3. Step 3: Cross multiply
    20,395,077.60x = 30,622,767.78 × 13,613,900.16
  4. Step 4: Simplify right side
    20,395,077.60x = 416,895,303,179,784.88
  5. Step 5: Solve for x
    x = 416,895,303,179,784.88/20,395,077.60
  6. Step 6: Final answer
    x = 20,440,976.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.