Home / 7,442,898.20-11,164,347.30-7,379,912.60

Finding the Fourth Proportional to 7,442,898.20, 11,164,347.30 and 7,379,912.60

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Solution

The fourth proportional to 7,442,898.20, 11,164,347.30 and 7,379,912.60 is: 11,069,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442,898.20 : 11,164,347.30 = 7,379,912.60 : x
  2. Step 2: Convert to fraction form
    7,442,898.20/11,164,347.30 = 7,379,912.60/x
  3. Step 3: Cross multiply
    7,442,898.20x = 11,164,347.30 × 7,379,912.60
  4. Step 4: Simplify right side
    7,442,898.20x = 82,391,907,310,045.98
  5. Step 5: Solve for x
    x = 82,391,907,310,045.98/7,442,898.20
  6. Step 6: Final answer
    x = 11,069,868.90

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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.