Home / 20,663,900.31-31,000,334.61-6,286,594.42

Finding the Fourth Proportional to 20,663,900.31, 31,000,334.61 and 6,286,594.42

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Solution

The fourth proportional to 20,663,900.31, 31,000,334.61 and 6,286,594.42 is: 9,431,255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,663,900.31 : 31,000,334.61 = 6,286,594.42 : x
  2. Step 2: Convert to fraction form
    20,663,900.31/31,000,334.61 = 6,286,594.42/x
  3. Step 3: Cross multiply
    20,663,900.31x = 31,000,334.61 × 6,286,594.42
  4. Step 4: Simplify right side
    20,663,900.31x = 194,886,530,577,358.88
  5. Step 5: Solve for x
    x = 194,886,530,577,358.88/20,663,900.31
  6. Step 6: Final answer
    x = 9,431,255.84

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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.