Home / 15,797,403.86-21,799,995.77-8,828,135.75

Finding the Fourth Proportional to 15,797,403.86, 21,799,995.77 and 8,828,135.75

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Solution

The fourth proportional to 15,797,403.86, 21,799,995.77 and 8,828,135.75 is: 12,182,591.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797,403.86 : 21,799,995.77 = 8,828,135.75 : x
  2. Step 2: Convert to fraction form
    15,797,403.86/21,799,995.77 = 8,828,135.75/x
  3. Step 3: Cross multiply
    15,797,403.86x = 21,799,995.77 × 8,828,135.75
  4. Step 4: Simplify right side
    15,797,403.86x = 192,453,322,083,556.09
  5. Step 5: Solve for x
    x = 192,453,322,083,556.09/15,797,403.86
  6. Step 6: Final answer
    x = 12,182,591.76

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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.