Home / 8,271,431.20-12,407,535.60-2,591,840.80

Finding the Fourth Proportional to 8,271,431.20, 12,407,535.60 and 2,591,840.80

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Solution

The fourth proportional to 8,271,431.20, 12,407,535.60 and 2,591,840.80 is: 3,887,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,431.20 : 12,407,535.60 = 2,591,840.80 : x
  2. Step 2: Convert to fraction form
    8,271,431.20/12,407,535.60 = 2,591,840.80/x
  3. Step 3: Cross multiply
    8,271,431.20x = 12,407,535.60 × 2,591,840.80
  4. Step 4: Simplify right side
    8,271,431.20x = 32,158,356,995,532.48
  5. Step 5: Solve for x
    x = 32,158,356,995,532.48/8,271,431.20
  6. Step 6: Final answer
    x = 3,887,883.03

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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.