Home / 7,980,940.56-11,971,411.00-1,915,672.28

Finding the Fourth Proportional to 7,980,940.56, 11,971,411.00 and 1,915,672.28

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Solution

The fourth proportional to 7,980,940.56, 11,971,411.00 and 1,915,672.28 is: 2,873,508.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,940.56 : 11,971,411.00 = 1,915,672.28 : x
  2. Step 2: Convert to fraction form
    7,980,940.56/11,971,411.00 = 1,915,672.28/x
  3. Step 3: Cross multiply
    7,980,940.56x = 11,971,411.00 × 1,915,672.28
  4. Step 4: Simplify right side
    7,980,940.56x = 22,933,300,195,608.72
  5. Step 5: Solve for x
    x = 22,933,300,195,608.72/7,980,940.56
  6. Step 6: Final answer
    x = 2,873,508.46

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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.