Home / 21,705,630.80-32,558,446.20-16,682,296.40

Finding the Fourth Proportional to 21,705,630.80, 32,558,446.20 and 16,682,296.40

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Solution

The fourth proportional to 21,705,630.80, 32,558,446.20 and 16,682,296.40 is: 25,023,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705,630.80 : 32,558,446.20 = 16,682,296.40 : x
  2. Step 2: Convert to fraction form
    21,705,630.80/32,558,446.20 = 16,682,296.40/x
  3. Step 3: Cross multiply
    21,705,630.80x = 32,558,446.20 × 16,682,296.40
  4. Step 4: Simplify right side
    21,705,630.80x = 543,149,649,831,853.69
  5. Step 5: Solve for x
    x = 543,149,649,831,853.69/21,705,630.80
  6. Step 6: Final answer
    x = 25,023,444.60

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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.