Finding the Fourth Proportional to 10,977,552.19, 15,149,241.21 and 6,394,168.81
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Solution
The fourth proportional to 10,977,552.19, 15,149,241.21 and 6,394,168.81 is: 8,824,080.63
Step by Step Solution
- Step 1: Write the proportion equation
10,977,552.19 : 15,149,241.21 = 6,394,168.81 : x - Step 2: Convert to fraction form
10,977,552.19/15,149,241.21 = 6,394,168.81/x - Step 3: Cross multiply
10,977,552.19x = 15,149,241.21 × 6,394,168.81 - Step 4: Simplify right side
10,977,552.19x = 96,866,805,640,148.66 - Step 5: Solve for x
x = 96,866,805,640,148.66/10,977,552.19 - Step 6: Final answer
x = 8,824,080.63
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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.