Home / 21,581,524.40-32,367,102.60-12,463,905.20

Finding the Fourth Proportional to 21,581,524.40, 32,367,102.60 and 12,463,905.20

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Solution

The fourth proportional to 21,581,524.40, 32,367,102.60 and 12,463,905.20 is: 18,692,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,524.40 : 32,367,102.60 = 12,463,905.20 : x
  2. Step 2: Convert to fraction form
    21,581,524.40/32,367,102.60 = 12,463,905.20/x
  3. Step 3: Cross multiply
    21,581,524.40x = 32,367,102.60 × 12,463,905.20
  4. Step 4: Simplify right side
    21,581,524.40x = 403,420,498,405,073.50
  5. Step 5: Solve for x
    x = 403,420,498,405,073.50/21,581,524.40
  6. Step 6: Final answer
    x = 18,692,863.90

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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.