Finding the Fourth Proportional to 9,883,683.18, 13,639,767.66 and 5,532,743.88
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Solution
The fourth proportional to 9,883,683.18, 13,639,767.66 and 5,532,743.88 is: 7,635,346.02
Step by Step Solution
- Step 1: Write the proportion equation
9,883,683.18 : 13,639,767.66 = 5,532,743.88 : x - Step 2: Convert to fraction form
9,883,683.18/13,639,767.66 = 5,532,743.88/x - Step 3: Cross multiply
9,883,683.18x = 13,639,767.66 × 5,532,743.88 - Step 4: Simplify right side
9,883,683.18x = 75,465,341,045,486.92 - Step 5: Solve for x
x = 75,465,341,045,486.92/9,883,683.18 - Step 6: Final answer
x = 7,635,346.02
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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.