Home / 12,526,236.77-17,286,239.45-7,302,346.61

Finding the Fourth Proportional to 12,526,236.77, 17,286,239.45 and 7,302,346.61

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Solution

The fourth proportional to 12,526,236.77, 17,286,239.45 and 7,302,346.61 is: 10,077,257.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526,236.77 : 17,286,239.45 = 7,302,346.61 : x
  2. Step 2: Convert to fraction form
    12,526,236.77/17,286,239.45 = 7,302,346.61/x
  3. Step 3: Cross multiply
    12,526,236.77x = 17,286,239.45 × 7,302,346.61
  4. Step 4: Simplify right side
    12,526,236.77x = 126,230,112,010,844.05
  5. Step 5: Solve for x
    x = 126,230,112,010,844.05/12,526,236.77
  6. Step 6: Final answer
    x = 10,077,257.39

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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.