Home / 21,508,745.80-32,263,118.70-21,359,446.60

Finding the Fourth Proportional to 21,508,745.80, 32,263,118.70 and 21,359,446.60

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Solution

The fourth proportional to 21,508,745.80, 32,263,118.70 and 21,359,446.60 is: 32,039,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,745.80 : 32,263,118.70 = 21,359,446.60 : x
  2. Step 2: Convert to fraction form
    21,508,745.80/32,263,118.70 = 21,359,446.60/x
  3. Step 3: Cross multiply
    21,508,745.80x = 32,263,118.70 × 21,359,446.60
  4. Step 4: Simplify right side
    21,508,745.80x = 689,122,361,022,111.50
  5. Step 5: Solve for x
    x = 689,122,361,022,111.50/21,508,745.80
  6. Step 6: Final answer
    x = 32,039,169.90

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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.