Home / 8,306,702.70-12,435,170.85-4,939,176.30

Finding the Fourth Proportional to 8,306,702.70, 12,435,170.85 and 4,939,176.30

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Solution

The fourth proportional to 8,306,702.70, 12,435,170.85 and 4,939,176.30 is: 7,393,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306,702.70 : 12,435,170.85 = 4,939,176.30 : x
  2. Step 2: Convert to fraction form
    8,306,702.70/12,435,170.85 = 4,939,176.30/x
  3. Step 3: Cross multiply
    8,306,702.70x = 12,435,170.85 × 4,939,176.30
  4. Step 4: Simplify right side
    8,306,702.70x = 61,419,501,148,770.85
  5. Step 5: Solve for x
    x = 61,419,501,148,770.85/8,306,702.70
  6. Step 6: Final answer
    x = 7,393,968.87

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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.