Home / 12,009,626.40-18,010,940.40-4,332,381.60

Finding the Fourth Proportional to 12,009,626.40, 18,010,940.40 and 4,332,381.60

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Solution

The fourth proportional to 12,009,626.40, 18,010,940.40 and 4,332,381.60 is: 6,497,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009,626.40 : 18,010,940.40 = 4,332,381.60 : x
  2. Step 2: Convert to fraction form
    12,009,626.40/18,010,940.40 = 4,332,381.60/x
  3. Step 3: Cross multiply
    12,009,626.40x = 18,010,940.40 × 4,332,381.60
  4. Step 4: Simplify right side
    12,009,626.40x = 78,030,266,787,656.62
  5. Step 5: Solve for x
    x = 78,030,266,787,656.62/12,009,626.40
  6. Step 6: Final answer
    x = 6,497,310.09

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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.