Finding the Fourth Proportional to 9,197,219.97, 12,691,556.28 and 5,523,953.94
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Solution
The fourth proportional to 9,197,219.97, 12,691,556.28 and 5,523,953.94 is: 7,622,691.70
Step by Step Solution
- Step 1: Write the proportion equation
9,197,219.97 : 12,691,556.28 = 5,523,953.94 : x - Step 2: Convert to fraction form
9,197,219.97/12,691,556.28 = 5,523,953.94/x - Step 3: Cross multiply
9,197,219.97x = 12,691,556.28 × 5,523,953.94 - Step 4: Simplify right side
9,197,219.97x = 70,107,572,317,637.74 - Step 5: Solve for x
x = 70,107,572,317,637.74/9,197,219.97 - Step 6: Final answer
x = 7,622,691.70
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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.