Home / 15,583,918.30-21,504,782.45-8,967,438.85

Finding the Fourth Proportional to 15,583,918.30, 21,504,782.45 and 8,967,438.85

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Solution

The fourth proportional to 15,583,918.30, 21,504,782.45 and 8,967,438.85 is: 12,374,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583,918.30 : 21,504,782.45 = 8,967,438.85 : x
  2. Step 2: Convert to fraction form
    15,583,918.30/21,504,782.45 = 8,967,438.85/x
  3. Step 3: Cross multiply
    15,583,918.30x = 21,504,782.45 × 8,967,438.85
  4. Step 4: Simplify right side
    15,583,918.30x = 192,842,821,450,567.09
  5. Step 5: Solve for x
    x = 192,842,821,450,567.09/15,583,918.30
  6. Step 6: Final answer
    x = 12,374,475.90

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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.