Home / 12,562,529.44-18,843,392.24-5,279,847.52

Finding the Fourth Proportional to 12,562,529.44, 18,843,392.24 and 5,279,847.52

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Solution

The fourth proportional to 12,562,529.44, 18,843,392.24 and 5,279,847.52 is: 7,919,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562,529.44 : 18,843,392.24 = 5,279,847.52 : x
  2. Step 2: Convert to fraction form
    12,562,529.44/18,843,392.24 = 5,279,847.52/x
  3. Step 3: Cross multiply
    12,562,529.44x = 18,843,392.24 × 5,279,847.52
  4. Step 4: Simplify right side
    12,562,529.44x = 99,490,237,786,751.23
  5. Step 5: Solve for x
    x = 99,490,237,786,751.23/12,562,529.44
  6. Step 6: Final answer
    x = 7,919,602.36

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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.