Home / 20,959,698.31-28,924,087.40-11,792,319.19

Finding the Fourth Proportional to 20,959,698.31, 28,924,087.40 and 11,792,319.19

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Solution

The fourth proportional to 20,959,698.31, 28,924,087.40 and 11,792,319.19 is: 16,273,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959,698.31 : 28,924,087.40 = 11,792,319.19 : x
  2. Step 2: Convert to fraction form
    20,959,698.31/28,924,087.40 = 11,792,319.19/x
  3. Step 3: Cross multiply
    20,959,698.31x = 28,924,087.40 × 11,792,319.19
  4. Step 4: Simplify right side
    20,959,698.31x = 341,082,070,813,206.56
  5. Step 5: Solve for x
    x = 341,082,070,813,206.56/20,959,698.31
  6. Step 6: Final answer
    x = 16,273,233.79

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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.