Home / 13,523,185.35-20,236,290.08-11,707,794.72

Finding the Fourth Proportional to 13,523,185.35, 20,236,290.08 and 11,707,794.72

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Solution

The fourth proportional to 13,523,185.35, 20,236,290.08 and 11,707,794.72 is: 17,519,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523,185.35 : 20,236,290.08 = 11,707,794.72 : x
  2. Step 2: Convert to fraction form
    13,523,185.35/20,236,290.08 = 11,707,794.72/x
  3. Step 3: Cross multiply
    13,523,185.35x = 20,236,290.08 × 11,707,794.72
  4. Step 4: Simplify right side
    13,523,185.35x = 236,922,330,151,012.38
  5. Step 5: Solve for x
    x = 236,922,330,151,012.38/13,523,185.35
  6. Step 6: Final answer
    x = 17,519,713.29

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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.