Home / 8,077,915.20-12,116,872.80-6,271,015.80

Finding the Fourth Proportional to 8,077,915.20, 12,116,872.80 and 6,271,015.80

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Solution

The fourth proportional to 8,077,915.20, 12,116,872.80 and 6,271,015.80 is: 9,406,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077,915.20 : 12,116,872.80 = 6,271,015.80 : x
  2. Step 2: Convert to fraction form
    8,077,915.20/12,116,872.80 = 6,271,015.80/x
  3. Step 3: Cross multiply
    8,077,915.20x = 12,116,872.80 × 6,271,015.80
  4. Step 4: Simplify right side
    8,077,915.20x = 75,985,100,775,390.25
  5. Step 5: Solve for x
    x = 75,985,100,775,390.25/8,077,915.20
  6. Step 6: Final answer
    x = 9,406,523.70

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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.