Home / 12,277,409.76-18,417,538.62-4,080,786.48

Finding the Fourth Proportional to 12,277,409.76, 18,417,538.62 and 4,080,786.48

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Solution

The fourth proportional to 12,277,409.76, 18,417,538.62 and 4,080,786.48 is: 6,121,653.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277,409.76 : 18,417,538.62 = 4,080,786.48 : x
  2. Step 2: Convert to fraction form
    12,277,409.76/18,417,538.62 = 4,080,786.48/x
  3. Step 3: Cross multiply
    12,277,409.76x = 18,417,538.62 × 4,080,786.48
  4. Step 4: Simplify right side
    12,277,409.76x = 75,158,042,595,373.86
  5. Step 5: Solve for x
    x = 75,158,042,595,373.86/12,277,409.76
  6. Step 6: Final answer
    x = 6,121,653.02

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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.