Finding the Fourth Proportional to 8,883,701.44, 13,330,860.96 and 8,160,941.68
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Solution
The fourth proportional to 8,883,701.44, 13,330,860.96 and 8,160,941.68 is: 12,246,289.41
Step by Step Solution
- Step 1: Write the proportion equation
8,883,701.44 : 13,330,860.96 = 8,160,941.68 : x - Step 2: Convert to fraction form
8,883,701.44/13,330,860.96 = 8,160,941.68/x - Step 3: Cross multiply
8,883,701.44x = 13,330,860.96 × 8,160,941.68 - Step 4: Simplify right side
8,883,701.44x = 108,792,378,838,748.81 - Step 5: Solve for x
x = 108,792,378,838,748.81/8,883,701.44 - Step 6: Final answer
x = 12,246,289.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.