Home / 21,176,896.96-31,768,888.38-16,627,762

Finding the Fourth Proportional to 21,176,896.96, 31,768,888.38 and 16,627,762

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Solution

The fourth proportional to 21,176,896.96, 31,768,888.38 and 16,627,762 is: 24,944,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,176,896.96 : 31,768,888.38 = 16,627,762 : x
  2. Step 2: Convert to fraction form
    21,176,896.96/31,768,888.38 = 16,627,762/x
  3. Step 3: Cross multiply
    21,176,896.96x = 31,768,888.38 × 16,627,762
  4. Step 4: Simplify right side
    21,176,896.96x = 528,245,514,987,205.56
  5. Step 5: Solve for x
    x = 528,245,514,987,205.56/21,176,896.96
  6. Step 6: Final answer
    x = 24,944,424.86

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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.