Finding the Fourth Proportional to 10,815,378.48, 14,909,321.16 and 8,232,560.64
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Solution
The fourth proportional to 10,815,378.48, 14,909,321.16 and 8,232,560.64 is: 11,348,829.89
Step by Step Solution
- Step 1: Write the proportion equation
10,815,378.48 : 14,909,321.16 = 8,232,560.64 : x - Step 2: Convert to fraction form
10,815,378.48/14,909,321.16 = 8,232,560.64/x - Step 3: Cross multiply
10,815,378.48x = 14,909,321.16 × 8,232,560.64 - Step 4: Simplify right side
10,815,378.48x = 122,741,890,550,935.14 - Step 5: Solve for x
x = 122,741,890,550,935.14/10,815,378.48 - Step 6: Final answer
x = 11,348,829.89
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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.