Home / 13,405,064.76-18,498,436.74-7,293,517.56

Finding the Fourth Proportional to 13,405,064.76, 18,498,436.74 and 7,293,517.56

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Solution

The fourth proportional to 13,405,064.76, 18,498,436.74 and 7,293,517.56 is: 10,064,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405,064.76 : 18,498,436.74 = 7,293,517.56 : x
  2. Step 2: Convert to fraction form
    13,405,064.76/18,498,436.74 = 7,293,517.56/x
  3. Step 3: Cross multiply
    13,405,064.76x = 18,498,436.74 × 7,293,517.56
  4. Step 4: Simplify right side
    13,405,064.76x = 134,918,673,195,739.14
  5. Step 5: Solve for x
    x = 134,918,673,195,739.14/13,405,064.76
  6. Step 6: Final answer
    x = 10,064,753.55

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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.