Finding the Fourth Proportional to 14,158,198.56, 19,538,319.60 and 8,046,469.92
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Solution
The fourth proportional to 14,158,198.56, 19,538,319.60 and 8,046,469.92 is: 11,104,131.66
Step by Step Solution
- Step 1: Write the proportion equation
14,158,198.56 : 19,538,319.60 = 8,046,469.92 : x - Step 2: Convert to fraction form
14,158,198.56/19,538,319.60 = 8,046,469.92/x - Step 3: Cross multiply
14,158,198.56x = 19,538,319.60 × 8,046,469.92 - Step 4: Simplify right side
14,158,198.56x = 157,214,500,948,746.44 - Step 5: Solve for x
x = 157,214,500,948,746.44/14,158,198.56 - Step 6: Final answer
x = 11,104,131.66
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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.