Home / 20,672,152.31-31,014,745.38-9,741,900.38

Finding the Fourth Proportional to 20,672,152.31, 31,014,745.38 and 9,741,900.38

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Solution

The fourth proportional to 20,672,152.31, 31,014,745.38 and 9,741,900.38 is: 14,615,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,152.31 : 31,014,745.38 = 9,741,900.38 : x
  2. Step 2: Convert to fraction form
    20,672,152.31/31,014,745.38 = 9,741,900.38/x
  3. Step 3: Cross multiply
    20,672,152.31x = 31,014,745.38 × 9,741,900.38
  4. Step 4: Simplify right side
    20,672,152.31x = 302,142,559,803,025.25
  5. Step 5: Solve for x
    x = 302,142,559,803,025.25/20,672,152.31
  6. Step 6: Final answer
    x = 14,615,921.71

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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.