Home / 21,591,867.60-32,389,475.80-7,214,986.80

Finding the Fourth Proportional to 21,591,867.60, 32,389,475.80 and 7,214,986.80

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Solution

The fourth proportional to 21,591,867.60, 32,389,475.80 and 7,214,986.80 is: 10,823,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591,867.60 : 32,389,475.80 = 7,214,986.80 : x
  2. Step 2: Convert to fraction form
    21,591,867.60/32,389,475.80 = 7,214,986.80/x
  3. Step 3: Cross multiply
    21,591,867.60x = 32,389,475.80 × 7,214,986.80
  4. Step 4: Simplify right side
    21,591,867.60x = 233,689,640,355,919.44
  5. Step 5: Solve for x
    x = 233,689,640,355,919.44/21,591,867.60
  6. Step 6: Final answer
    x = 10,823,039.71

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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.