Home / 13,112,659.92-18,095,396.04-7,311,511.20

Finding the Fourth Proportional to 13,112,659.92, 18,095,396.04 and 7,311,511.20

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Solution

The fourth proportional to 13,112,659.92, 18,095,396.04 and 7,311,511.20 is: 10,089,843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112,659.92 : 18,095,396.04 = 7,311,511.20 : x
  2. Step 2: Convert to fraction form
    13,112,659.92/18,095,396.04 = 7,311,511.20/x
  3. Step 3: Cross multiply
    13,112,659.92x = 18,095,396.04 × 7,311,511.20
  4. Step 4: Simplify right side
    13,112,659.92x = 132,304,690,814,895.64
  5. Step 5: Solve for x
    x = 132,304,690,814,895.64/13,112,659.92
  6. Step 6: Final answer
    x = 10,089,843.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.