Home / 14,939,794.89-20,616,636.97-9,138,150.45

Finding the Fourth Proportional to 14,939,794.89, 20,616,636.97 and 9,138,150.45

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Solution

The fourth proportional to 14,939,794.89, 20,616,636.97 and 9,138,150.45 is: 12,610,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939,794.89 : 20,616,636.97 = 9,138,150.45 : x
  2. Step 2: Convert to fraction form
    14,939,794.89/20,616,636.97 = 9,138,150.45/x
  3. Step 3: Cross multiply
    14,939,794.89x = 20,616,636.97 × 9,138,150.45
  4. Step 4: Simplify right side
    14,939,794.89x = 188,397,930,404,892.12
  5. Step 5: Solve for x
    x = 188,397,930,404,892.12/14,939,794.89
  6. Step 6: Final answer
    x = 12,610,476.37

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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.