Home / 11,205,378.89-15,463,014.64-6,243,563.86

Finding the Fourth Proportional to 11,205,378.89, 15,463,014.64 and 6,243,563.86

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Solution

The fourth proportional to 11,205,378.89, 15,463,014.64 and 6,243,563.86 is: 8,615,890.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205,378.89 : 15,463,014.64 = 6,243,563.86 : x
  2. Step 2: Convert to fraction form
    11,205,378.89/15,463,014.64 = 6,243,563.86/x
  3. Step 3: Cross multiply
    11,205,378.89x = 15,463,014.64 × 6,243,563.86
  4. Step 4: Simplify right side
    11,205,378.89x = 96,544,319,379,741.33
  5. Step 5: Solve for x
    x = 96,544,319,379,741.33/11,205,378.89
  6. Step 6: Final answer
    x = 8,615,890.67

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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.