Home / 6,220,072.70-9,330,109.05-5,157,190.70

Finding the Fourth Proportional to 6,220,072.70, 9,330,109.05 and 5,157,190.70

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Solution

The fourth proportional to 6,220,072.70, 9,330,109.05 and 5,157,190.70 is: 7,735,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220,072.70 : 9,330,109.05 = 5,157,190.70 : x
  2. Step 2: Convert to fraction form
    6,220,072.70/9,330,109.05 = 5,157,190.70/x
  3. Step 3: Cross multiply
    6,220,072.70x = 9,330,109.05 × 5,157,190.70
  4. Step 4: Simplify right side
    6,220,072.70x = 48,117,151,622,645.84
  5. Step 5: Solve for x
    x = 48,117,151,622,645.84/6,220,072.70
  6. Step 6: Final answer
    x = 7,735,786.05

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Double scale
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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.