Home / 11,313,612.60-15,613,139.48-6,419,040.72

Finding the Fourth Proportional to 11,313,612.60, 15,613,139.48 and 6,419,040.72

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Solution

The fourth proportional to 11,313,612.60, 15,613,139.48 and 6,419,040.72 is: 8,858,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313,612.60 : 15,613,139.48 = 6,419,040.72 : x
  2. Step 2: Convert to fraction form
    11,313,612.60/15,613,139.48 = 6,419,040.72/x
  3. Step 3: Cross multiply
    11,313,612.60x = 15,613,139.48 × 6,419,040.72
  4. Step 4: Simplify right side
    11,313,612.60x = 100,221,378,089,159.62
  5. Step 5: Solve for x
    x = 100,221,378,089,159.62/11,313,612.60
  6. Step 6: Final answer
    x = 8,858,477.10

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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.