Home / 6,815,189.70-10,222,784.55-4,902,002.10

Finding the Fourth Proportional to 6,815,189.70, 10,222,784.55 and 4,902,002.10

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Solution

The fourth proportional to 6,815,189.70, 10,222,784.55 and 4,902,002.10 is: 7,353,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815,189.70 : 10,222,784.55 = 4,902,002.10 : x
  2. Step 2: Convert to fraction form
    6,815,189.70/10,222,784.55 = 4,902,002.10/x
  3. Step 3: Cross multiply
    6,815,189.70x = 10,222,784.55 × 4,902,002.10
  4. Step 4: Simplify right side
    6,815,189.70x = 50,112,111,331,947.55
  5. Step 5: Solve for x
    x = 50,112,111,331,947.55/6,815,189.70
  6. Step 6: Final answer
    x = 7,353,003.15

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Double scale
Find fourth proportional to 6,815,190.70, 10,222,786.05 and 4,902,003.10
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.