Home / 13,446,419.72-20,169,610.94-5,365,070.80

Finding the Fourth Proportional to 13,446,419.72, 20,169,610.94 and 5,365,070.80

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Solution

The fourth proportional to 13,446,419.72, 20,169,610.94 and 5,365,070.80 is: 8,047,598.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446,419.72 : 20,169,610.94 = 5,365,070.80 : x
  2. Step 2: Convert to fraction form
    13,446,419.72/20,169,610.94 = 5,365,070.80/x
  3. Step 3: Cross multiply
    13,446,419.72x = 20,169,610.94 × 5,365,070.80
  4. Step 4: Simplify right side
    13,446,419.72x = 108,211,390,701,554.56
  5. Step 5: Solve for x
    x = 108,211,390,701,554.56/13,446,419.72
  6. Step 6: Final answer
    x = 8,047,598.76

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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.