Home / 6,137,921.75-8,470,836.32-3,385,147.59

Finding the Fourth Proportional to 6,137,921.75, 8,470,836.32 and 3,385,147.59

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Solution

The fourth proportional to 6,137,921.75, 8,470,836.32 and 3,385,147.59 is: 4,671,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,137,921.75 : 8,470,836.32 = 3,385,147.59 : x
  2. Step 2: Convert to fraction form
    6,137,921.75/8,470,836.32 = 3,385,147.59/x
  3. Step 3: Cross multiply
    6,137,921.75x = 8,470,836.32 × 3,385,147.59
  4. Step 4: Simplify right side
    6,137,921.75x = 28,675,031,137,006.73
  5. Step 5: Solve for x
    x = 28,675,031,137,006.73/6,137,921.75
  6. Step 6: Final answer
    x = 4,671,781.80

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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.