Home / 7,880,445.72-11,821,339.14-2,487,653.40

Finding the Fourth Proportional to 7,880,445.72, 11,821,339.14 and 2,487,653.40

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Solution

The fourth proportional to 7,880,445.72, 11,821,339.14 and 2,487,653.40 is: 3,731,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,445.72 : 11,821,339.14 = 2,487,653.40 : x
  2. Step 2: Convert to fraction form
    7,880,445.72/11,821,339.14 = 2,487,653.40/x
  3. Step 3: Cross multiply
    7,880,445.72x = 11,821,339.14 × 2,487,653.40
  4. Step 4: Simplify right side
    7,880,445.72x = 29,407,394,504,174.08
  5. Step 5: Solve for x
    x = 29,407,394,504,174.08/7,880,445.72
  6. Step 6: Final answer
    x = 3,731,691.78

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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.