Home / 7,980,940.19-11,971,410.44-1,915,671.92

Finding the Fourth Proportional to 7,980,940.19, 11,971,410.44 and 1,915,671.92

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Solution

The fourth proportional to 7,980,940.19, 11,971,410.44 and 1,915,671.92 is: 2,873,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,940.19 : 11,971,410.44 = 1,915,671.92 : x
  2. Step 2: Convert to fraction form
    7,980,940.19/11,971,410.44 = 1,915,671.92/x
  3. Step 3: Cross multiply
    7,980,940.19x = 11,971,410.44 × 1,915,671.92
  4. Step 4: Simplify right side
    7,980,940.19x = 22,933,294,788,959.50
  5. Step 5: Solve for x
    x = 22,933,294,788,959.50/7,980,940.19
  6. Step 6: Final answer
    x = 2,873,507.91

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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.