Home / 20,271,730.36-30,401,242.30-6,621,766.70

Finding the Fourth Proportional to 20,271,730.36, 30,401,242.30 and 6,621,766.70

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Solution

The fourth proportional to 20,271,730.36, 30,401,242.30 and 6,621,766.70 is: 9,930,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,271,730.36 : 30,401,242.30 = 6,621,766.70 : x
  2. Step 2: Convert to fraction form
    20,271,730.36/30,401,242.30 = 6,621,766.70/x
  3. Step 3: Cross multiply
    20,271,730.36x = 30,401,242.30 × 6,621,766.70
  4. Step 4: Simplify right side
    20,271,730.36x = 201,309,933,900,771.41
  5. Step 5: Solve for x
    x = 201,309,933,900,771.41/20,271,730.36
  6. Step 6: Final answer
    x = 9,930,574.76

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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.