Home / 7,898,237.42-11,847,815.39-2,218,904.60

Finding the Fourth Proportional to 7,898,237.42, 11,847,815.39 and 2,218,904.60

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Solution

The fourth proportional to 7,898,237.42, 11,847,815.39 and 2,218,904.60 is: 3,328,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898,237.42 : 11,847,815.39 = 2,218,904.60 : x
  2. Step 2: Convert to fraction form
    7,898,237.42/11,847,815.39 = 2,218,904.60/x
  3. Step 3: Cross multiply
    7,898,237.42x = 11,847,815.39 × 2,218,904.60
  4. Step 4: Simplify right side
    7,898,237.42x = 26,289,172,015,129.98
  5. Step 5: Solve for x
    x = 26,289,172,015,129.98/7,898,237.42
  6. Step 6: Final answer
    x = 3,328,485.92

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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.