Home / 13,214,442.80-19,821,664.20-8,694,059.60

Finding the Fourth Proportional to 13,214,442.80, 19,821,664.20 and 8,694,059.60

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Solution

The fourth proportional to 13,214,442.80, 19,821,664.20 and 8,694,059.60 is: 13,041,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,442.80 : 19,821,664.20 = 8,694,059.60 : x
  2. Step 2: Convert to fraction form
    13,214,442.80/19,821,664.20 = 8,694,059.60/x
  3. Step 3: Cross multiply
    13,214,442.80x = 19,821,664.20 × 8,694,059.60
  4. Step 4: Simplify right side
    13,214,442.80x = 172,330,729,925,986.31
  5. Step 5: Solve for x
    x = 172,330,729,925,986.31/13,214,442.80
  6. Step 6: Final answer
    x = 13,041,089.40

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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.