Home / 21,921,000.60-32,890,832.10-13,840,181.40

Finding the Fourth Proportional to 21,921,000.60, 32,890,832.10 and 13,840,181.40

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Solution

The fourth proportional to 21,921,000.60, 32,890,832.10 and 13,840,181.40 is: 20,766,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921,000.60 : 32,890,832.10 = 13,840,181.40 : x
  2. Step 2: Convert to fraction form
    21,921,000.60/32,890,832.10 = 13,840,181.40/x
  3. Step 3: Cross multiply
    21,921,000.60x = 32,890,832.10 × 13,840,181.40
  4. Step 4: Simplify right side
    21,921,000.60x = 455,215,082,660,943
  5. Step 5: Solve for x
    x = 455,215,082,660,943/21,921,000.60
  6. Step 6: Final answer
    x = 20,766,163.51

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1.5x scale

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.