Home / 8,109,738.75-11,190,235.62-4,925,509.14

Finding the Fourth Proportional to 8,109,738.75, 11,190,235.62 and 4,925,509.14

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Solution

The fourth proportional to 8,109,738.75, 11,190,235.62 and 4,925,509.14 is: 6,796,471.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109,738.75 : 11,190,235.62 = 4,925,509.14 : x
  2. Step 2: Convert to fraction form
    8,109,738.75/11,190,235.62 = 4,925,509.14/x
  3. Step 3: Cross multiply
    8,109,738.75x = 11,190,235.62 × 4,925,509.14
  4. Step 4: Simplify right side
    8,109,738.75x = 55,117,607,825,063.56
  5. Step 5: Solve for x
    x = 55,117,607,825,063.56/8,109,738.75
  6. Step 6: Final answer
    x = 6,796,471.44

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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.