Home / 6,700,999.80-10,040,418.90-3,856,150.20

Finding the Fourth Proportional to 6,700,999.80, 10,040,418.90 and 3,856,150.20

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Solution

The fourth proportional to 6,700,999.80, 10,040,418.90 and 3,856,150.20 is: 5,777,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,700,999.80 : 10,040,418.90 = 3,856,150.20 : x
  2. Step 2: Convert to fraction form
    6,700,999.80/10,040,418.90 = 3,856,150.20/x
  3. Step 3: Cross multiply
    6,700,999.80x = 10,040,418.90 × 3,856,150.20
  4. Step 4: Simplify right side
    6,700,999.80x = 38,717,363,349,318.78
  5. Step 5: Solve for x
    x = 38,717,363,349,318.78/6,700,999.80
  6. Step 6: Final answer
    x = 5,777,848.75

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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.