Finding the Fourth Proportional to 14,741,576.36, 20,342,481.70 and 8,125,875.48
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Solution
The fourth proportional to 14,741,576.36, 20,342,481.70 and 8,125,875.48 is: 11,213,215.55
Step by Step Solution
- Step 1: Write the proportion equation
14,741,576.36 : 20,342,481.70 = 8,125,875.48 : x - Step 2: Convert to fraction form
14,741,576.36/20,342,481.70 = 8,125,875.48/x - Step 3: Cross multiply
14,741,576.36x = 20,342,481.70 × 8,125,875.48 - Step 4: Simplify right side
14,741,576.36x = 165,300,473,248,378.72 - Step 5: Solve for x
x = 165,300,473,248,378.72/14,741,576.36 - Step 6: Final answer
x = 11,213,215.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.