Home / 20,409,682.68-30,614,566.16-19,162,567.80

Finding the Fourth Proportional to 20,409,682.68, 30,614,566.16 and 19,162,567.80

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Solution

The fourth proportional to 20,409,682.68, 30,614,566.16 and 19,162,567.80 is: 28,743,891.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,409,682.68 : 30,614,566.16 = 19,162,567.80 : x
  2. Step 2: Convert to fraction form
    20,409,682.68/30,614,566.16 = 19,162,567.80/x
  3. Step 3: Cross multiply
    20,409,682.68x = 30,614,566.16 × 19,162,567.80
  4. Step 4: Simplify right side
    20,409,682.68x = 586,653,699,708,585.62
  5. Step 5: Solve for x
    x = 586,653,699,708,585.62/20,409,682.68
  6. Step 6: Final answer
    x = 28,743,891.27

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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.