Home / 38,889,633.46-53,668,257.21-21,486,379.30

Finding the Fourth Proportional to 38,889,633.46, 53,668,257.21 and 21,486,379.30

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Solution

The fourth proportional to 38,889,633.46, 53,668,257.21 and 21,486,379.30 is: 29,651,514.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,889,633.46 : 53,668,257.21 = 21,486,379.30 : x
  2. Step 2: Convert to fraction form
    38,889,633.46/53,668,257.21 = 21,486,379.30/x
  3. Step 3: Cross multiply
    38,889,633.46x = 53,668,257.21 × 21,486,379.30
  4. Step 4: Simplify right side
    38,889,633.46x = 1,153,136,530,784,019.75
  5. Step 5: Solve for x
    x = 1,153,136,530,784,019.75/38,889,633.46
  6. Step 6: Final answer
    x = 29,651,514.51

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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.