Home / 20,111,025.20-30,166,537.80-7,331,946.80

Finding the Fourth Proportional to 20,111,025.20, 30,166,537.80 and 7,331,946.80

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Solution

The fourth proportional to 20,111,025.20, 30,166,537.80 and 7,331,946.80 is: 10,997,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,025.20 : 30,166,537.80 = 7,331,946.80 : x
  2. Step 2: Convert to fraction form
    20,111,025.20/30,166,537.80 = 7,331,946.80/x
  3. Step 3: Cross multiply
    20,111,025.20x = 30,166,537.80 × 7,331,946.80
  4. Step 4: Simplify right side
    20,111,025.20x = 221,179,450,289,789.03
  5. Step 5: Solve for x
    x = 221,179,450,289,789.03/20,111,025.20
  6. Step 6: Final answer
    x = 10,997,920.20

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1.5x scale

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.