Home / 6,168,825.71-8,513,245.56-3,415,513.20

Finding the Fourth Proportional to 6,168,825.71, 8,513,245.56 and 3,415,513.20

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Solution

The fourth proportional to 6,168,825.71, 8,513,245.56 and 3,415,513.20 is: 4,713,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168,825.71 : 8,513,245.56 = 3,415,513.20 : x
  2. Step 2: Convert to fraction form
    6,168,825.71/8,513,245.56 = 3,415,513.20/x
  3. Step 3: Cross multiply
    6,168,825.71x = 8,513,245.56 × 3,415,513.20
  4. Step 4: Simplify right side
    6,168,825.71x = 29,077,102,585,021.39
  5. Step 5: Solve for x
    x = 29,077,102,585,021.39/6,168,825.71
  6. Step 6: Final answer
    x = 4,713,555.54

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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.