Home / 6,172,836.78-8,499,080.01-5,240,700.84

Finding the Fourth Proportional to 6,172,836.78, 8,499,080.01 and 5,240,700.84

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Solution

The fourth proportional to 6,172,836.78, 8,499,080.01 and 5,240,700.84 is: 7,215,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,836.78 : 8,499,080.01 = 5,240,700.84 : x
  2. Step 2: Convert to fraction form
    6,172,836.78/8,499,080.01 = 5,240,700.84/x
  3. Step 3: Cross multiply
    6,172,836.78x = 8,499,080.01 × 5,240,700.84
  4. Step 4: Simplify right side
    6,172,836.78x = 44,541,135,747,634.20
  5. Step 5: Solve for x
    x = 44,541,135,747,634.20/6,172,836.78
  6. Step 6: Final answer
    x = 7,215,667.18

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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.