Home / 11,178,025.20-16,767,037.80-3,989,793.60

Finding the Fourth Proportional to 11,178,025.20, 16,767,037.80 and 3,989,793.60

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Solution

The fourth proportional to 11,178,025.20, 16,767,037.80 and 3,989,793.60 is: 5,984,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,025.20 : 16,767,037.80 = 3,989,793.60 : x
  2. Step 2: Convert to fraction form
    11,178,025.20/16,767,037.80 = 3,989,793.60/x
  3. Step 3: Cross multiply
    11,178,025.20x = 16,767,037.80 × 3,989,793.60
  4. Step 4: Simplify right side
    11,178,025.20x = 66,897,020,105,398.09
  5. Step 5: Solve for x
    x = 66,897,020,105,398.09/11,178,025.20
  6. Step 6: Final answer
    x = 5,984,690.40

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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.