Home / 7,984,143.72-11,976,215.82-2,519,792.34

Finding the Fourth Proportional to 7,984,143.72, 11,976,215.82 and 2,519,792.34

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Solution

The fourth proportional to 7,984,143.72, 11,976,215.82 and 2,519,792.34 is: 3,779,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984,143.72 : 11,976,215.82 = 2,519,792.34 : x
  2. Step 2: Convert to fraction form
    7,984,143.72/11,976,215.82 = 2,519,792.34/x
  3. Step 3: Cross multiply
    7,984,143.72x = 11,976,215.82 × 2,519,792.34
  4. Step 4: Simplify right side
    7,984,143.72x = 30,177,576,885,422.82
  5. Step 5: Solve for x
    x = 30,177,576,885,422.82/7,984,143.72
  6. Step 6: Final answer
    x = 3,779,688.59

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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.