Home / 8,189,428.56-12,285,939.96-2,510,080.08

Finding the Fourth Proportional to 8,189,428.56, 12,285,939.96 and 2,510,080.08

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Solution

The fourth proportional to 8,189,428.56, 12,285,939.96 and 2,510,080.08 is: 3,765,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,428.56 : 12,285,939.96 = 2,510,080.08 : x
  2. Step 2: Convert to fraction form
    8,189,428.56/12,285,939.96 = 2,510,080.08/x
  3. Step 3: Cross multiply
    8,189,428.56x = 12,285,939.96 × 2,510,080.08
  4. Step 4: Simplify right side
    8,189,428.56x = 30,838,693,157,672
  5. Step 5: Solve for x
    x = 30,838,693,157,672/8,189,428.56
  6. Step 6: Final answer
    x = 3,765,670.94

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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.