Home / 12,274,079.66-18,405,783.26-3,518,429.94

Finding the Fourth Proportional to 12,274,079.66, 18,405,783.26 and 3,518,429.94

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Solution

The fourth proportional to 12,274,079.66, 18,405,783.26 and 3,518,429.94 is: 5,276,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274,079.66 : 18,405,783.26 = 3,518,429.94 : x
  2. Step 2: Convert to fraction form
    12,274,079.66/18,405,783.26 = 3,518,429.94/x
  3. Step 3: Cross multiply
    12,274,079.66x = 18,405,783.26 × 3,518,429.94
  4. Step 4: Simplify right side
    12,274,079.66x = 64,759,458,886,736.77
  5. Step 5: Solve for x
    x = 64,759,458,886,736.77/12,274,079.66
  6. Step 6: Final answer
    x = 5,276,115.25

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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.