Home / 21,315,245.56-29,413,260.66-12,022,303.48

Finding the Fourth Proportional to 21,315,245.56, 29,413,260.66 and 12,022,303.48

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Solution

The fourth proportional to 21,315,245.56, 29,413,260.66 and 12,022,303.48 is: 16,589,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,245.56 : 29,413,260.66 = 12,022,303.48 : x
  2. Step 2: Convert to fraction form
    21,315,245.56/29,413,260.66 = 12,022,303.48/x
  3. Step 3: Cross multiply
    21,315,245.56x = 29,413,260.66 × 12,022,303.48
  4. Step 4: Simplify right side
    21,315,245.56x = 353,615,145,990,865.12
  5. Step 5: Solve for x
    x = 353,615,145,990,865.12/21,315,245.56
  6. Step 6: Final answer
    x = 16,589,775.85

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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.