Home / 31,677,157.12-43,714,475.40-17,190,469.12

Finding the Fourth Proportional to 31,677,157.12, 43,714,475.40 and 17,190,469.12

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Solution

The fourth proportional to 31,677,157.12, 43,714,475.40 and 17,190,469.12 is: 23,722,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,677,157.12 : 43,714,475.40 = 17,190,469.12 : x
  2. Step 2: Convert to fraction form
    31,677,157.12/43,714,475.40 = 17,190,469.12/x
  3. Step 3: Cross multiply
    31,677,157.12x = 43,714,475.40 × 17,190,469.12
  4. Step 4: Simplify right side
    31,677,157.12x = 751,472,339,460,699.62
  5. Step 5: Solve for x
    x = 751,472,339,460,699.62/31,677,157.12
  6. Step 6: Final answer
    x = 23,722,846.61

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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.