Home / 18,700,586.10-28,050,879.15-11,526,132.60

Finding the Fourth Proportional to 18,700,586.10, 28,050,879.15 and 11,526,132.60

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Solution

The fourth proportional to 18,700,586.10, 28,050,879.15 and 11,526,132.60 is: 17,289,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700,586.10 : 28,050,879.15 = 11,526,132.60 : x
  2. Step 2: Convert to fraction form
    18,700,586.10/28,050,879.15 = 11,526,132.60/x
  3. Step 3: Cross multiply
    18,700,586.10x = 28,050,879.15 × 11,526,132.60
  4. Step 4: Simplify right side
    18,700,586.10x = 323,318,152,629,475.25
  5. Step 5: Solve for x
    x = 323,318,152,629,475.25/18,700,586.10
  6. Step 6: Final answer
    x = 17,289,198.90

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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.