Home / 15,886,704.58-21,921,897.97-8,915,783.22

Finding the Fourth Proportional to 15,886,704.58, 21,921,897.97 and 8,915,783.22

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Solution

The fourth proportional to 15,886,704.58, 21,921,897.97 and 8,915,783.22 is: 12,302,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886,704.58 : 21,921,897.97 = 8,915,783.22 : x
  2. Step 2: Convert to fraction form
    15,886,704.58/21,921,897.97 = 8,915,783.22/x
  3. Step 3: Cross multiply
    15,886,704.58x = 21,921,897.97 × 8,915,783.22
  4. Step 4: Simplify right side
    15,886,704.58x = 195,450,890,049,188.62
  5. Step 5: Solve for x
    x = 195,450,890,049,188.62/15,886,704.58
  6. Step 6: Final answer
    x = 12,302,796.28

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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.