Home / 13,458,316.72-20,187,475.96-10,749,961.44

Finding the Fourth Proportional to 13,458,316.72, 20,187,475.96 and 10,749,961.44

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Solution

The fourth proportional to 13,458,316.72, 20,187,475.96 and 10,749,961.44 is: 16,124,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458,316.72 : 20,187,475.96 = 10,749,961.44 : x
  2. Step 2: Convert to fraction form
    13,458,316.72/20,187,475.96 = 10,749,961.44/x
  3. Step 3: Cross multiply
    13,458,316.72x = 20,187,475.96 × 10,749,961.44
  4. Step 4: Simplify right side
    13,458,316.72x = 217,014,588,140,926.97
  5. Step 5: Solve for x
    x = 217,014,588,140,926.97/13,458,316.72
  6. Step 6: Final answer
    x = 16,124,942.86

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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.