Home / 13,271,608.56-18,305,387.22-8,859,110.64

Finding the Fourth Proportional to 13,271,608.56, 18,305,387.22 and 8,859,110.64

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Solution

The fourth proportional to 13,271,608.56, 18,305,387.22 and 8,859,110.64 is: 12,219,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271,608.56 : 18,305,387.22 = 8,859,110.64 : x
  2. Step 2: Convert to fraction form
    13,271,608.56/18,305,387.22 = 8,859,110.64/x
  3. Step 3: Cross multiply
    13,271,608.56x = 18,305,387.22 × 8,859,110.64
  4. Step 4: Simplify right side
    13,271,608.56x = 162,169,450,690,022.03
  5. Step 5: Solve for x
    x = 162,169,450,690,022.03/13,271,608.56
  6. Step 6: Final answer
    x = 12,219,276.21

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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.