Home / 10,156,150.21-14,015,745.21-5,572,470.37

Finding the Fourth Proportional to 10,156,150.21, 14,015,745.21 and 5,572,470.37

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Solution

The fourth proportional to 10,156,150.21, 14,015,745.21 and 5,572,470.37 is: 7,690,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156,150.21 : 14,015,745.21 = 5,572,470.37 : x
  2. Step 2: Convert to fraction form
    10,156,150.21/14,015,745.21 = 5,572,470.37/x
  3. Step 3: Cross multiply
    10,156,150.21x = 14,015,745.21 × 5,572,470.37
  4. Step 4: Simplify right side
    10,156,150.21x = 78,102,324,896,194.44
  5. Step 5: Solve for x
    x = 78,102,324,896,194.44/10,156,150.21
  6. Step 6: Final answer
    x = 7,690,150.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.