Home / 7,638,057.09-10,540,198.05-4,330,573.88

Finding the Fourth Proportional to 7,638,057.09, 10,540,198.05 and 4,330,573.88

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Solution

The fourth proportional to 7,638,057.09, 10,540,198.05 and 4,330,573.88 is: 5,976,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,057.09 : 10,540,198.05 = 4,330,573.88 : x
  2. Step 2: Convert to fraction form
    7,638,057.09/10,540,198.05 = 4,330,573.88/x
  3. Step 3: Cross multiply
    7,638,057.09x = 10,540,198.05 × 4,330,573.88
  4. Step 4: Simplify right side
    7,638,057.09x = 45,645,106,384,122.14
  5. Step 5: Solve for x
    x = 45,645,106,384,122.14/7,638,057.09
  6. Step 6: Final answer
    x = 5,976,010.11

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1.5x scale

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.