Home / 20,368,727.55-28,109,583.14-11,668,581.63

Finding the Fourth Proportional to 20,368,727.55, 28,109,583.14 and 11,668,581.63

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Solution

The fourth proportional to 20,368,727.55, 28,109,583.14 and 11,668,581.63 is: 16,103,066.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368,727.55 : 28,109,583.14 = 11,668,581.63 : x
  2. Step 2: Convert to fraction form
    20,368,727.55/28,109,583.14 = 11,668,581.63/x
  3. Step 3: Cross multiply
    20,368,727.55x = 28,109,583.14 × 11,668,581.63
  4. Step 4: Simplify right side
    20,368,727.55x = 327,998,965,396,018.88
  5. Step 5: Solve for x
    x = 327,998,965,396,018.88/20,368,727.55
  6. Step 6: Final answer
    x = 16,103,066.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.