Home / 6,515,100.27-8,991,917.64-3,615,422.58

Finding the Fourth Proportional to 6,515,100.27, 8,991,917.64 and 3,615,422.58

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Solution

The fourth proportional to 6,515,100.27, 8,991,917.64 and 3,615,422.58 is: 4,989,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515,100.27 : 8,991,917.64 = 3,615,422.58 : x
  2. Step 2: Convert to fraction form
    6,515,100.27/8,991,917.64 = 3,615,422.58/x
  3. Step 3: Cross multiply
    6,515,100.27x = 8,991,917.64 × 3,615,422.58
  4. Step 4: Simplify right side
    6,515,100.27x = 32,509,582,073,156.31
  5. Step 5: Solve for x
    x = 32,509,582,073,156.31/6,515,100.27
  6. Step 6: Final answer
    x = 4,989,882.08

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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.