Home / 12,462,007.70-17,206,684.44-8,054,342.75

Finding the Fourth Proportional to 12,462,007.70, 17,206,684.44 and 8,054,342.75

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Solution

The fourth proportional to 12,462,007.70, 17,206,684.44 and 8,054,342.75 is: 11,120,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,007.70 : 17,206,684.44 = 8,054,342.75 : x
  2. Step 2: Convert to fraction form
    12,462,007.70/17,206,684.44 = 8,054,342.75/x
  3. Step 3: Cross multiply
    12,462,007.70x = 17,206,684.44 × 8,054,342.75
  4. Step 4: Simplify right side
    12,462,007.70x = 138,588,534,070,851.83
  5. Step 5: Solve for x
    x = 138,588,534,070,851.83/12,462,007.70
  6. Step 6: Final answer
    x = 11,120,883.36

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Double scale
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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.