Home / 19,419,849.76-29,090,744.86-9,675,085.60

Finding the Fourth Proportional to 19,419,849.76, 29,090,744.86 and 9,675,085.60

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Solution

The fourth proportional to 19,419,849.76, 29,090,744.86 and 9,675,085.60 is: 14,493,183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419,849.76 : 29,090,744.86 = 9,675,085.60 : x
  2. Step 2: Convert to fraction form
    19,419,849.76/29,090,744.86 = 9,675,085.60/x
  3. Step 3: Cross multiply
    19,419,849.76x = 29,090,744.86 × 9,675,085.60
  4. Step 4: Simplify right side
    19,419,849.76x = 281,455,446,688,260
  5. Step 5: Solve for x
    x = 281,455,446,688,260/19,419,849.76
  6. Step 6: Final answer
    x = 14,493,183.53

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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.