Finding the Fourth Proportional to 7,110,791.34, 9,812,818.44 and 3,847,534.08
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Solution
The fourth proportional to 7,110,791.34, 9,812,818.44 and 3,847,534.08 is: 5,309,557.20
Step by Step Solution
- Step 1: Write the proportion equation
7,110,791.34 : 9,812,818.44 = 3,847,534.08 : x - Step 2: Convert to fraction form
7,110,791.34/9,812,818.44 = 3,847,534.08/x - Step 3: Cross multiply
7,110,791.34x = 9,812,818.44 × 3,847,534.08 - Step 4: Simplify right side
7,110,791.34x = 37,755,153,368,752.44 - Step 5: Solve for x
x = 37,755,153,368,752.44/7,110,791.34 - Step 6: Final answer
x = 5,309,557.20
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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.