Home / 6,515,993.36-8,992,110.21-3,615,440.87

Finding the Fourth Proportional to 6,515,993.36, 8,992,110.21 and 3,615,440.87

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Solution

The fourth proportional to 6,515,993.36, 8,992,110.21 and 3,615,440.87 is: 4,989,330.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515,993.36 : 8,992,110.21 = 3,615,440.87 : x
  2. Step 2: Convert to fraction form
    6,515,993.36/8,992,110.21 = 3,615,440.87/x
  3. Step 3: Cross multiply
    6,515,993.36x = 8,992,110.21 × 3,615,440.87
  4. Step 4: Simplify right side
    6,515,993.36x = 32,510,442,769,700.66
  5. Step 5: Solve for x
    x = 32,510,442,769,700.66/6,515,993.36
  6. Step 6: Final answer
    x = 4,989,330.25

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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.