Home / 20,627,879.63-28,467,359.64-11,460,522.38

Finding the Fourth Proportional to 20,627,879.63, 28,467,359.64 and 11,460,522.38

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Solution

The fourth proportional to 20,627,879.63, 28,467,359.64 and 11,460,522.38 is: 15,816,012.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627,879.63 : 28,467,359.64 = 11,460,522.38 : x
  2. Step 2: Convert to fraction form
    20,627,879.63/28,467,359.64 = 11,460,522.38/x
  3. Step 3: Cross multiply
    20,627,879.63x = 28,467,359.64 × 11,460,522.38
  4. Step 4: Simplify right side
    20,627,879.63x = 326,250,812,111,391.94
  5. Step 5: Solve for x
    x = 326,250,812,111,391.94/20,627,879.63
  6. Step 6: Final answer
    x = 15,816,012.99

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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.