Home / 8,271,706.20-12,407,559.30-6,358,518.60

Finding the Fourth Proportional to 8,271,706.20, 12,407,559.30 and 6,358,518.60

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Solution

The fourth proportional to 8,271,706.20, 12,407,559.30 and 6,358,518.60 is: 9,537,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,706.20 : 12,407,559.30 = 6,358,518.60 : x
  2. Step 2: Convert to fraction form
    8,271,706.20/12,407,559.30 = 6,358,518.60/x
  3. Step 3: Cross multiply
    8,271,706.20x = 12,407,559.30 × 6,358,518.60
  4. Step 4: Simplify right side
    8,271,706.20x = 78,893,696,589,652.98
  5. Step 5: Solve for x
    x = 78,893,696,589,652.98/8,271,706.20
  6. Step 6: Final answer
    x = 9,537,777.90

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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.