Home / 13,630,048.20-20,417,516.10-8,496,721.80

Finding the Fourth Proportional to 13,630,048.20, 20,417,516.10 and 8,496,721.80

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Solution

The fourth proportional to 13,630,048.20, 20,417,516.10 and 8,496,721.80 is: 12,727,904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630,048.20 : 20,417,516.10 = 8,496,721.80 : x
  2. Step 2: Convert to fraction form
    13,630,048.20/20,417,516.10 = 8,496,721.80/x
  3. Step 3: Cross multiply
    13,630,048.20x = 20,417,516.10 × 8,496,721.80
  4. Step 4: Simplify right side
    13,630,048.20x = 173,481,954,148,721
  5. Step 5: Solve for x
    x = 173,481,954,148,721/13,630,048.20
  6. Step 6: Final answer
    x = 12,727,904.67

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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.