Home / 6,165,712.31-8,508,421.44-3,412,142.21

Finding the Fourth Proportional to 6,165,712.31, 8,508,421.44 and 3,412,142.21

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Solution

The fourth proportional to 6,165,712.31, 8,508,421.44 and 3,412,142.21 is: 4,708,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165,712.31 : 8,508,421.44 = 3,412,142.21 : x
  2. Step 2: Convert to fraction form
    6,165,712.31/8,508,421.44 = 3,412,142.21/x
  3. Step 3: Cross multiply
    6,165,712.31x = 8,508,421.44 × 3,412,142.21
  4. Step 4: Simplify right side
    6,165,712.31x = 29,031,943,957,164.04
  5. Step 5: Solve for x
    x = 29,031,943,957,164.04/6,165,712.31
  6. Step 6: Final answer
    x = 4,708,611.51

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1.5x scale

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.