Home / 7,980,941.19-11,971,411.94-1,915,672.92

Finding the Fourth Proportional to 7,980,941.19, 11,971,411.94 and 1,915,672.92

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Solution

The fourth proportional to 7,980,941.19, 11,971,411.94 and 1,915,672.92 is: 2,873,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,941.19 : 11,971,411.94 = 1,915,672.92 : x
  2. Step 2: Convert to fraction form
    7,980,941.19/11,971,411.94 = 1,915,672.92/x
  3. Step 3: Cross multiply
    7,980,941.19x = 11,971,411.94 × 1,915,672.92
  4. Step 4: Simplify right side
    7,980,941.19x = 22,933,309,667,622.66
  5. Step 5: Solve for x
    x = 22,933,309,667,622.66/7,980,941.19
  6. Step 6: Final answer
    x = 2,873,509.42

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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.