Home / 15,420,114.22-21,279,757.77-8,544,596.28

Finding the Fourth Proportional to 15,420,114.22, 21,279,757.77 and 8,544,596.28

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Solution

The fourth proportional to 15,420,114.22, 21,279,757.77 and 8,544,596.28 is: 11,791,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420,114.22 : 21,279,757.77 = 8,544,596.28 : x
  2. Step 2: Convert to fraction form
    15,420,114.22/21,279,757.77 = 8,544,596.28/x
  3. Step 3: Cross multiply
    15,420,114.22x = 21,279,757.77 × 8,544,596.28
  4. Step 4: Simplify right side
    15,420,114.22x = 181,826,939,038,120.09
  5. Step 5: Solve for x
    x = 181,826,939,038,120.09/15,420,114.22
  6. Step 6: Final answer
    x = 11,791,542.94

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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.