Home / 13,250,576.16-18,285,684.96-7,449,383.64

Finding the Fourth Proportional to 13,250,576.16, 18,285,684.96 and 7,449,383.64

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Solution

The fourth proportional to 13,250,576.16, 18,285,684.96 and 7,449,383.64 is: 10,280,087.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250,576.16 : 18,285,684.96 = 7,449,383.64 : x
  2. Step 2: Convert to fraction form
    13,250,576.16/18,285,684.96 = 7,449,383.64/x
  3. Step 3: Cross multiply
    13,250,576.16x = 18,285,684.96 × 7,449,383.64
  4. Step 4: Simplify right side
    13,250,576.16x = 136,217,082,387,218.06
  5. Step 5: Solve for x
    x = 136,217,082,387,218.06/13,250,576.16
  6. Step 6: Final answer
    x = 10,280,087.50

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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.