Home / 8,271,311.40-12,406,971.60-2,591,980.20

Finding the Fourth Proportional to 8,271,311.40, 12,406,971.60 and 2,591,980.20

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Solution

The fourth proportional to 8,271,311.40, 12,406,971.60 and 2,591,980.20 is: 3,887,971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,311.40 : 12,406,971.60 = 2,591,980.20 : x
  2. Step 2: Convert to fraction form
    8,271,311.40/12,406,971.60 = 2,591,980.20/x
  3. Step 3: Cross multiply
    8,271,311.40x = 12,406,971.60 × 2,591,980.20
  4. Step 4: Simplify right side
    8,271,311.40x = 32,158,624,729,162.32
  5. Step 5: Solve for x
    x = 32,158,624,729,162.32/8,271,311.40
  6. Step 6: Final answer
    x = 3,887,971.71

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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.