Home / 6,128,783.70-9,193,175.55-5,183,999.70

Finding the Fourth Proportional to 6,128,783.70, 9,193,175.55 and 5,183,999.70

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Solution

The fourth proportional to 6,128,783.70, 9,193,175.55 and 5,183,999.70 is: 7,775,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,783.70 : 9,193,175.55 = 5,183,999.70 : x
  2. Step 2: Convert to fraction form
    6,128,783.70/9,193,175.55 = 5,183,999.70/x
  3. Step 3: Cross multiply
    6,128,783.70x = 9,193,175.55 × 5,183,999.70
  4. Step 4: Simplify right side
    6,128,783.70x = 47,657,419,293,247.34
  5. Step 5: Solve for x
    x = 47,657,419,293,247.34/6,128,783.70
  6. Step 6: Final answer
    x = 7,775,999.55

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Similar ratio
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1.5x scale

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.