Home / 12,164,020.78-18,243,930.03-3,642,069.10

Finding the Fourth Proportional to 12,164,020.78, 18,243,930.03 and 3,642,069.10

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Solution

The fourth proportional to 12,164,020.78, 18,243,930.03 and 3,642,069.10 is: 5,462,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164,020.78 : 18,243,930.03 = 3,642,069.10 : x
  2. Step 2: Convert to fraction form
    12,164,020.78/18,243,930.03 = 3,642,069.10/x
  3. Step 3: Cross multiply
    12,164,020.78x = 18,243,930.03 × 3,642,069.10
  4. Step 4: Simplify right side
    12,164,020.78x = 66,445,653,824,825.08
  5. Step 5: Solve for x
    x = 66,445,653,824,825.08/12,164,020.78
  6. Step 6: Final answer
    x = 5,462,474.54

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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.