Home / 12,805,623.60-19,183,552.20-7,115,665.20

Finding the Fourth Proportional to 12,805,623.60, 19,183,552.20 and 7,115,665.20

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Solution

The fourth proportional to 12,805,623.60, 19,183,552.20 and 7,115,665.20 is: 10,659,671.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,623.60 : 19,183,552.20 = 7,115,665.20 : x
  2. Step 2: Convert to fraction form
    12,805,623.60/19,183,552.20 = 7,115,665.20/x
  3. Step 3: Cross multiply
    12,805,623.60x = 19,183,552.20 × 7,115,665.20
  4. Step 4: Simplify right side
    12,805,623.60x = 136,503,734,801,923.44
  5. Step 5: Solve for x
    x = 136,503,734,801,923.44/12,805,623.60
  6. Step 6: Final answer
    x = 10,659,671.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.