Home / 14,469,342.78-21,683,749.04-10,872,816.42

Finding the Fourth Proportional to 14,469,342.78, 21,683,749.04 and 10,872,816.42

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Solution

The fourth proportional to 14,469,342.78, 21,683,749.04 and 10,872,816.42 is: 16,293,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469,342.78 : 21,683,749.04 = 10,872,816.42 : x
  2. Step 2: Convert to fraction form
    14,469,342.78/21,683,749.04 = 10,872,816.42/x
  3. Step 3: Cross multiply
    14,469,342.78x = 21,683,749.04 × 10,872,816.42
  4. Step 4: Simplify right side
    14,469,342.78x = 235,763,422,609,271.22
  5. Step 5: Solve for x
    x = 235,763,422,609,271.22/14,469,342.78
  6. Step 6: Final answer
    x = 16,293,996.64

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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.