Home / 23,217,782.49-31,967,357.13-21,065,446.44

Finding the Fourth Proportional to 23,217,782.49, 31,967,357.13 and 21,065,446.44

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Solution

The fourth proportional to 23,217,782.49, 31,967,357.13 and 21,065,446.44 is: 29,003,917.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,217,782.49 : 31,967,357.13 = 21,065,446.44 : x
  2. Step 2: Convert to fraction form
    23,217,782.49/31,967,357.13 = 21,065,446.44/x
  3. Step 3: Cross multiply
    23,217,782.49x = 31,967,357.13 × 21,065,446.44
  4. Step 4: Simplify right side
    23,217,782.49x = 673,406,649,450,367.12
  5. Step 5: Solve for x
    x = 673,406,649,450,367.12/23,217,782.49
  6. Step 6: Final answer
    x = 29,003,917.57

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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.