Home / 13,909,828.78-19,173,391.86-10,964,846.54

Finding the Fourth Proportional to 13,909,828.78, 19,173,391.86 and 10,964,846.54

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Solution

The fourth proportional to 13,909,828.78, 19,173,391.86 and 10,964,846.54 is: 15,114,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,828.78 : 19,173,391.86 = 10,964,846.54 : x
  2. Step 2: Convert to fraction form
    13,909,828.78/19,173,391.86 = 10,964,846.54/x
  3. Step 3: Cross multiply
    13,909,828.78x = 19,173,391.86 × 10,964,846.54
  4. Step 4: Simplify right side
    13,909,828.78x = 210,233,299,396,185.16
  5. Step 5: Solve for x
    x = 210,233,299,396,185.16/13,909,828.78
  6. Step 6: Final answer
    x = 15,114,010.58

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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.