Home / 20,757,846.63-28,645,657.33-11,338,645.40

Finding the Fourth Proportional to 20,757,846.63, 28,645,657.33 and 11,338,645.40

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Solution

The fourth proportional to 20,757,846.63, 28,645,657.33 and 11,338,645.40 is: 15,647,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757,846.63 : 28,645,657.33 = 11,338,645.40 : x
  2. Step 2: Convert to fraction form
    20,757,846.63/28,645,657.33 = 11,338,645.40/x
  3. Step 3: Cross multiply
    20,757,846.63x = 28,645,657.33 × 11,338,645.40
  4. Step 4: Simplify right side
    20,757,846.63x = 324,802,950,714,780.75
  5. Step 5: Solve for x
    x = 324,802,950,714,780.75/20,757,846.63
  6. Step 6: Final answer
    x = 15,647,237.24

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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.