Home / 8,093,935.80-12,140,903.70-7,478,076.60

Finding the Fourth Proportional to 8,093,935.80, 12,140,903.70 and 7,478,076.60

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Solution

The fourth proportional to 8,093,935.80, 12,140,903.70 and 7,478,076.60 is: 11,217,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093,935.80 : 12,140,903.70 = 7,478,076.60 : x
  2. Step 2: Convert to fraction form
    8,093,935.80/12,140,903.70 = 7,478,076.60/x
  3. Step 3: Cross multiply
    8,093,935.80x = 12,140,903.70 × 7,478,076.60
  4. Step 4: Simplify right side
    8,093,935.80x = 90,790,607,861,823.41
  5. Step 5: Solve for x
    x = 90,790,607,861,823.41/8,093,935.80
  6. Step 6: Final answer
    x = 11,217,114.90

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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.