Home / 6,694,186.12-9,238,038.06-3,638,408.20

Finding the Fourth Proportional to 6,694,186.12, 9,238,038.06 and 3,638,408.20

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Solution

The fourth proportional to 6,694,186.12, 9,238,038.06 and 3,638,408.20 is: 5,021,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,694,186.12 : 9,238,038.06 = 3,638,408.20 : x
  2. Step 2: Convert to fraction form
    6,694,186.12/9,238,038.06 = 3,638,408.20/x
  3. Step 3: Cross multiply
    6,694,186.12x = 9,238,038.06 × 3,638,408.20
  4. Step 4: Simplify right side
    6,694,186.12x = 33,611,753,429,416.09
  5. Step 5: Solve for x
    x = 33,611,753,429,416.09/6,694,186.12
  6. Step 6: Final answer
    x = 5,021,036.59

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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.