Home / 8,315,157.80-12,470,144.70-3,268,015.40

Finding the Fourth Proportional to 8,315,157.80, 12,470,144.70 and 3,268,015.40

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Solution

The fourth proportional to 8,315,157.80, 12,470,144.70 and 3,268,015.40 is: 4,901,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,157.80 : 12,470,144.70 = 3,268,015.40 : x
  2. Step 2: Convert to fraction form
    8,315,157.80/12,470,144.70 = 3,268,015.40/x
  3. Step 3: Cross multiply
    8,315,157.80x = 12,470,144.70 × 3,268,015.40
  4. Step 4: Simplify right side
    8,315,157.80x = 40,752,624,919,828.38
  5. Step 5: Solve for x
    x = 40,752,624,919,828.38/8,315,157.80
  6. Step 6: Final answer
    x = 4,901,004.39

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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.