Home / 20,460,653.57-28,231,486.93-11,757,144.67

Finding the Fourth Proportional to 20,460,653.57, 28,231,486.93 and 11,757,144.67

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Solution

The fourth proportional to 20,460,653.57, 28,231,486.93 and 11,757,144.67 is: 16,222,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460,653.57 : 28,231,486.93 = 11,757,144.67 : x
  2. Step 2: Convert to fraction form
    20,460,653.57/28,231,486.93 = 11,757,144.67/x
  3. Step 3: Cross multiply
    20,460,653.57x = 28,231,486.93 × 11,757,144.67
  4. Step 4: Simplify right side
    20,460,653.57x = 331,921,675,985,252.56
  5. Step 5: Solve for x
    x = 331,921,675,985,252.56/20,460,653.57
  6. Step 6: Final answer
    x = 16,222,437.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.