Home / 12,604,793.70-18,907,190.55-8,300,121.60

Finding the Fourth Proportional to 12,604,793.70, 18,907,190.55 and 8,300,121.60

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Solution

The fourth proportional to 12,604,793.70, 18,907,190.55 and 8,300,121.60 is: 12,450,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604,793.70 : 18,907,190.55 = 8,300,121.60 : x
  2. Step 2: Convert to fraction form
    12,604,793.70/18,907,190.55 = 8,300,121.60/x
  3. Step 3: Cross multiply
    12,604,793.70x = 18,907,190.55 × 8,300,121.60
  4. Step 4: Simplify right side
    12,604,793.70x = 156,931,980,679,370.88
  5. Step 5: Solve for x
    x = 156,931,980,679,370.88/12,604,793.70
  6. Step 6: Final answer
    x = 12,450,182.40

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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.