Home / 12,203,123.20-18,311,942.40-4,630,854.40

Finding the Fourth Proportional to 12,203,123.20, 18,311,942.40 and 4,630,854.40

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Solution

The fourth proportional to 12,203,123.20, 18,311,942.40 and 4,630,854.40 is: 6,949,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203,123.20 : 18,311,942.40 = 4,630,854.40 : x
  2. Step 2: Convert to fraction form
    12,203,123.20/18,311,942.40 = 4,630,854.40/x
  3. Step 3: Cross multiply
    12,203,123.20x = 18,311,942.40 × 4,630,854.40
  4. Step 4: Simplify right side
    12,203,123.20x = 84,799,939,035,586.56
  5. Step 5: Solve for x
    x = 84,799,939,035,586.56/12,203,123.20
  6. Step 6: Final answer
    x = 6,949,035.72

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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.