Home / 19,201,613.93-28,802,450.11-7,842,062.55

Finding the Fourth Proportional to 19,201,613.93, 28,802,450.11 and 7,842,062.55

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Solution

The fourth proportional to 19,201,613.93, 28,802,450.11 and 7,842,062.55 is: 11,763,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201,613.93 : 28,802,450.11 = 7,842,062.55 : x
  2. Step 2: Convert to fraction form
    19,201,613.93/28,802,450.11 = 7,842,062.55/x
  3. Step 3: Cross multiply
    19,201,613.93x = 28,802,450.11 × 7,842,062.55
  4. Step 4: Simplify right side
    19,201,613.93x = 225,870,615,355,874.38
  5. Step 5: Solve for x
    x = 225,870,615,355,874.38/19,201,613.93
  6. Step 6: Final answer
    x = 11,763,105.76

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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.