Home / 13,388,771.44-18,485,402.34-10,285,768.36

Finding the Fourth Proportional to 13,388,771.44, 18,485,402.34 and 10,285,768.36

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Solution

The fourth proportional to 13,388,771.44, 18,485,402.34 and 10,285,768.36 is: 14,201,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,771.44 : 18,485,402.34 = 10,285,768.36 : x
  2. Step 2: Convert to fraction form
    13,388,771.44/18,485,402.34 = 10,285,768.36/x
  3. Step 3: Cross multiply
    13,388,771.44x = 18,485,402.34 × 10,285,768.36
  4. Step 4: Simplify right side
    13,388,771.44x = 190,136,566,510,641.94
  5. Step 5: Solve for x
    x = 190,136,566,510,641.94/13,388,771.44
  6. Step 6: Final answer
    x = 14,201,195.93

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1.5x scale

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.