Home / 19,184,104.80-28,765,659.60-7,811,704.80

Finding the Fourth Proportional to 19,184,104.80, 28,765,659.60 and 7,811,704.80

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Solution

The fourth proportional to 19,184,104.80, 28,765,659.60 and 7,811,704.80 is: 11,713,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184,104.80 : 28,765,659.60 = 7,811,704.80 : x
  2. Step 2: Convert to fraction form
    19,184,104.80/28,765,659.60 = 7,811,704.80/x
  3. Step 3: Cross multiply
    19,184,104.80x = 28,765,659.60 × 7,811,704.80
  4. Step 4: Simplify right side
    19,184,104.80x = 224,708,841,172,486.09
  5. Step 5: Solve for x
    x = 224,708,841,172,486.09/19,184,104.80
  6. Step 6: Final answer
    x = 11,713,282.61

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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.