Home / 20,874,670.25-28,808,622.77-11,583,999

Finding the Fourth Proportional to 20,874,670.25, 28,808,622.77 and 11,583,999

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Solution

The fourth proportional to 20,874,670.25, 28,808,622.77 and 11,583,999 is: 15,986,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,874,670.25 : 28,808,622.77 = 11,583,999 : x
  2. Step 2: Convert to fraction form
    20,874,670.25/28,808,622.77 = 11,583,999/x
  3. Step 3: Cross multiply
    20,874,670.25x = 28,808,622.77 × 11,583,999
  4. Step 4: Simplify right side
    20,874,670.25x = 333,719,057,301,137.25
  5. Step 5: Solve for x
    x = 333,719,057,301,137.25/20,874,670.25
  6. Step 6: Final answer
    x = 15,986,794.20

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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.