Home / 8,090,441.40-12,135,662.10-4,915,759.80

Finding the Fourth Proportional to 8,090,441.40, 12,135,662.10 and 4,915,759.80

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Solution

The fourth proportional to 8,090,441.40, 12,135,662.10 and 4,915,759.80 is: 7,373,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090,441.40 : 12,135,662.10 = 4,915,759.80 : x
  2. Step 2: Convert to fraction form
    8,090,441.40/12,135,662.10 = 4,915,759.80/x
  3. Step 3: Cross multiply
    8,090,441.40x = 12,135,662.10 × 4,915,759.80
  4. Step 4: Simplify right side
    8,090,441.40x = 59,655,999,897,563.58
  5. Step 5: Solve for x
    x = 59,655,999,897,563.58/8,090,441.40
  6. Step 6: Final answer
    x = 7,373,639.70

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1.5x scale

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.