Home / 13,388,187.54-18,483,285.84-10,242,532.97

Finding the Fourth Proportional to 13,388,187.54, 18,483,285.84 and 10,242,532.97

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Solution

The fourth proportional to 13,388,187.54, 18,483,285.84 and 10,242,532.97 is: 14,140,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,187.54 : 18,483,285.84 = 10,242,532.97 : x
  2. Step 2: Convert to fraction form
    13,388,187.54/18,483,285.84 = 10,242,532.97/x
  3. Step 3: Cross multiply
    13,388,187.54x = 18,483,285.84 × 10,242,532.97
  4. Step 4: Simplify right side
    13,388,187.54x = 189,315,664,479,308.22
  5. Step 5: Solve for x
    x = 189,315,664,479,308.22/13,388,187.54
  6. Step 6: Final answer
    x = 14,140,499.89

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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.