Home / 13,438,404.36-20,126,218.33-12,353,268.29

Finding the Fourth Proportional to 13,438,404.36, 20,126,218.33 and 12,353,268.29

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Solution

The fourth proportional to 13,438,404.36, 20,126,218.33 and 12,353,268.29 is: 18,501,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,404.36 : 20,126,218.33 = 12,353,268.29 : x
  2. Step 2: Convert to fraction form
    13,438,404.36/20,126,218.33 = 12,353,268.29/x
  3. Step 3: Cross multiply
    13,438,404.36x = 20,126,218.33 × 12,353,268.29
  4. Step 4: Simplify right side
    13,438,404.36x = 248,624,574,608,416.25
  5. Step 5: Solve for x
    x = 248,624,574,608,416.25/13,438,404.36
  6. Step 6: Final answer
    x = 18,501,048.78

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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.