Home / 6,670,979.43-9,205,959.48-3,615,193.68

Finding the Fourth Proportional to 6,670,979.43, 9,205,959.48 and 3,615,193.68

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Solution

The fourth proportional to 6,670,979.43, 9,205,959.48 and 3,615,193.68 is: 4,988,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670,979.43 : 9,205,959.48 = 3,615,193.68 : x
  2. Step 2: Convert to fraction form
    6,670,979.43/9,205,959.48 = 3,615,193.68/x
  3. Step 3: Cross multiply
    6,670,979.43x = 9,205,959.48 × 3,615,193.68
  4. Step 4: Simplify right side
    6,670,979.43x = 33,281,326,530,432.09
  5. Step 5: Solve for x
    x = 33,281,326,530,432.09/6,670,979.43
  6. Step 6: Final answer
    x = 4,988,971.54

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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.