Home / 12,203,120.20-18,311,937.90-4,630,851.40

Finding the Fourth Proportional to 12,203,120.20, 18,311,937.90 and 4,630,851.40

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Solution

The fourth proportional to 12,203,120.20, 18,311,937.90 and 4,630,851.40 is: 6,949,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203,120.20 : 18,311,937.90 = 4,630,851.40 : x
  2. Step 2: Convert to fraction form
    12,203,120.20/18,311,937.90 = 4,630,851.40/x
  3. Step 3: Cross multiply
    12,203,120.20x = 18,311,937.90 × 4,630,851.40
  4. Step 4: Simplify right side
    12,203,120.20x = 84,799,863,260,928.06
  5. Step 5: Solve for x
    x = 84,799,863,260,928.06/12,203,120.20
  6. Step 6: Final answer
    x = 6,949,031.22

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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.