Home / 8,021,216.70-12,026,511.45-4,428,704.70

Finding the Fourth Proportional to 8,021,216.70, 12,026,511.45 and 4,428,704.70

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Solution

The fourth proportional to 8,021,216.70, 12,026,511.45 and 4,428,704.70 is: 6,640,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021,216.70 : 12,026,511.45 = 4,428,704.70 : x
  2. Step 2: Convert to fraction form
    8,021,216.70/12,026,511.45 = 4,428,704.70/x
  3. Step 3: Cross multiply
    8,021,216.70x = 12,026,511.45 × 4,428,704.70
  4. Step 4: Simplify right side
    8,021,216.70x = 53,261,867,783,218.81
  5. Step 5: Solve for x
    x = 53,261,867,783,218.81/8,021,216.70
  6. Step 6: Final answer
    x = 6,640,123.28

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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.