Home / 8,178,701.40-12,268,052.10-2,498,187.60

Finding the Fourth Proportional to 8,178,701.40, 12,268,052.10 and 2,498,187.60

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Solution

The fourth proportional to 8,178,701.40, 12,268,052.10 and 2,498,187.60 is: 3,747,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,701.40 : 12,268,052.10 = 2,498,187.60 : x
  2. Step 2: Convert to fraction form
    8,178,701.40/12,268,052.10 = 2,498,187.60/x
  3. Step 3: Cross multiply
    8,178,701.40x = 12,268,052.10 × 2,498,187.60
  4. Step 4: Simplify right side
    8,178,701.40x = 30,647,895,632,373.96
  5. Step 5: Solve for x
    x = 30,647,895,632,373.96/8,178,701.40
  6. Step 6: Final answer
    x = 3,747,281.40

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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.