Home / 12,647,994.40-18,969,152.14-5,818,007.98

Finding the Fourth Proportional to 12,647,994.40, 18,969,152.14 and 5,818,007.98

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Solution

The fourth proportional to 12,647,994.40, 18,969,152.14 and 5,818,007.98 is: 8,725,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,994.40 : 18,969,152.14 = 5,818,007.98 : x
  2. Step 2: Convert to fraction form
    12,647,994.40/18,969,152.14 = 5,818,007.98/x
  3. Step 3: Cross multiply
    12,647,994.40x = 18,969,152.14 × 5,818,007.98
  4. Step 4: Simplify right side
    12,647,994.40x = 110,362,678,524,354.09
  5. Step 5: Solve for x
    x = 110,362,678,524,354.09/12,647,994.40
  6. Step 6: Final answer
    x = 8,725,705.83

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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.