Home / 21,784,431.87-32,680,194.12-6,433,274.34

Finding the Fourth Proportional to 21,784,431.87, 32,680,194.12 and 6,433,274.34

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Solution

The fourth proportional to 21,784,431.87, 32,680,194.12 and 6,433,274.34 is: 9,650,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,784,431.87 : 32,680,194.12 = 6,433,274.34 : x
  2. Step 2: Convert to fraction form
    21,784,431.87/32,680,194.12 = 6,433,274.34/x
  3. Step 3: Cross multiply
    21,784,431.87x = 32,680,194.12 × 6,433,274.34
  4. Step 4: Simplify right side
    21,784,431.87x = 210,240,654,258,414.88
  5. Step 5: Solve for x
    x = 210,240,654,258,414.88/21,784,431.87
  6. Step 6: Final answer
    x = 9,650,958.79

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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.