Home / 7,659,085.60-11,476,818.60-6,643,442.80

Finding the Fourth Proportional to 7,659,085.60, 11,476,818.60 and 6,643,442.80

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Solution

The fourth proportional to 7,659,085.60, 11,476,818.60 and 6,643,442.80 is: 9,954,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659,085.60 : 11,476,818.60 = 6,643,442.80 : x
  2. Step 2: Convert to fraction form
    7,659,085.60/11,476,818.60 = 6,643,442.80/x
  3. Step 3: Cross multiply
    7,659,085.60x = 11,476,818.60 × 6,643,442.80
  4. Step 4: Simplify right side
    7,659,085.60x = 76,245,587,895,076.08
  5. Step 5: Solve for x
    x = 76,245,587,895,076.08/7,659,085.60
  6. Step 6: Final answer
    x = 9,954,920.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.