Home / 13,508,090.96-18,641,196.26-7,313,202.88

Finding the Fourth Proportional to 13,508,090.96, 18,641,196.26 and 7,313,202.88

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Solution

The fourth proportional to 13,508,090.96, 18,641,196.26 and 7,313,202.88 is: 10,092,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,090.96 : 18,641,196.26 = 7,313,202.88 : x
  2. Step 2: Convert to fraction form
    13,508,090.96/18,641,196.26 = 7,313,202.88/x
  3. Step 3: Cross multiply
    13,508,090.96x = 18,641,196.26 × 7,313,202.88
  4. Step 4: Simplify right side
    13,508,090.96x = 136,326,850,175,277.23
  5. Step 5: Solve for x
    x = 136,326,850,175,277.23/13,508,090.96
  6. Step 6: Final answer
    x = 10,092,236.61

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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.