Home / 8,271,680.40-12,416,851.80-4,907,782.80

Finding the Fourth Proportional to 8,271,680.40, 12,416,851.80 and 4,907,782.80

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Solution

The fourth proportional to 8,271,680.40, 12,416,851.80 and 4,907,782.80 is: 7,367,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,680.40 : 12,416,851.80 = 4,907,782.80 : x
  2. Step 2: Convert to fraction form
    8,271,680.40/12,416,851.80 = 4,907,782.80/x
  3. Step 3: Cross multiply
    8,271,680.40x = 12,416,851.80 × 4,907,782.80
  4. Step 4: Simplify right side
    8,271,680.40x = 60,939,211,694,189.04
  5. Step 5: Solve for x
    x = 60,939,211,694,189.04/8,271,680.40
  6. Step 6: Final answer
    x = 7,367,210.62

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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.