Finding the Fourth Proportional to 14,538,730.62, 20,063,527.92 and 8,343,284.70
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Solution
The fourth proportional to 14,538,730.62, 20,063,527.92 and 8,343,284.70 is: 11,513,778.60
Step by Step Solution
- Step 1: Write the proportion equation
14,538,730.62 : 20,063,527.92 = 8,343,284.70 : x - Step 2: Convert to fraction form
14,538,730.62/20,063,527.92 = 8,343,284.70/x - Step 3: Cross multiply
14,538,730.62x = 20,063,527.92 × 8,343,284.70 - Step 4: Simplify right side
14,538,730.62x = 167,395,725,522,958.84 - Step 5: Solve for x
x = 167,395,725,522,958.84/14,538,730.62 - Step 6: Final answer
x = 11,513,778.60
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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.