Home / 6,145,638.91-8,480,980.36-3,392,325.61

Finding the Fourth Proportional to 6,145,638.91, 8,480,980.36 and 3,392,325.61

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Solution

The fourth proportional to 6,145,638.91, 8,480,980.36 and 3,392,325.61 is: 4,681,408.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,638.91 : 8,480,980.36 = 3,392,325.61 : x
  2. Step 2: Convert to fraction form
    6,145,638.91/8,480,980.36 = 3,392,325.61/x
  3. Step 3: Cross multiply
    6,145,638.91x = 8,480,980.36 × 3,392,325.61
  4. Step 4: Simplify right side
    6,145,638.91x = 28,770,246,903,878.49
  5. Step 5: Solve for x
    x = 28,770,246,903,878.49/6,145,638.91
  6. Step 6: Final answer
    x = 4,681,408.61

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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.