Home / 15,089,649.52-20,823,719.04-8,214,183.28

Finding the Fourth Proportional to 15,089,649.52, 20,823,719.04 and 8,214,183.28

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Solution

The fourth proportional to 15,089,649.52, 20,823,719.04 and 8,214,183.28 is: 11,335,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,089,649.52 : 20,823,719.04 = 8,214,183.28 : x
  2. Step 2: Convert to fraction form
    15,089,649.52/20,823,719.04 = 8,214,183.28/x
  3. Step 3: Cross multiply
    15,089,649.52x = 20,823,719.04 × 8,214,183.28
  4. Step 4: Simplify right side
    15,089,649.52x = 171,049,844,765,785.66
  5. Step 5: Solve for x
    x = 171,049,844,765,785.66/15,089,649.52
  6. Step 6: Final answer
    x = 11,335,574.40

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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.