Home / 22,190,048.08-30,621,674.24-12,400,568.64

Finding the Fourth Proportional to 22,190,048.08, 30,621,674.24 and 12,400,568.64

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Solution

The fourth proportional to 22,190,048.08, 30,621,674.24 and 12,400,568.64 is: 17,112,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190,048.08 : 30,621,674.24 = 12,400,568.64 : x
  2. Step 2: Convert to fraction form
    22,190,048.08/30,621,674.24 = 12,400,568.64/x
  3. Step 3: Cross multiply
    22,190,048.08x = 30,621,674.24 × 12,400,568.64
  4. Step 4: Simplify right side
    22,190,048.08x = 379,726,173,284,839.81
  5. Step 5: Solve for x
    x = 379,726,173,284,839.81/22,190,048.08
  6. Step 6: Final answer
    x = 17,112,453.83

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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.