Home / 8,361,540.80-12,539,200.80-3,311,806.40

Finding the Fourth Proportional to 8,361,540.80, 12,539,200.80 and 3,311,806.40

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Solution

The fourth proportional to 8,361,540.80, 12,539,200.80 and 3,311,806.40 is: 4,966,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361,540.80 : 12,539,200.80 = 3,311,806.40 : x
  2. Step 2: Convert to fraction form
    8,361,540.80/12,539,200.80 = 3,311,806.40/x
  3. Step 3: Cross multiply
    8,361,540.80x = 12,539,200.80 × 3,311,806.40
  4. Step 4: Simplify right side
    8,361,540.80x = 41,527,405,460,325.12
  5. Step 5: Solve for x
    x = 41,527,405,460,325.12/8,361,540.80
  6. Step 6: Final answer
    x = 4,966,477.64

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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.