Finding the Fourth Proportional to 7,197,119.37, 9,932,292.23 and 3,934,153.53
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Solution
The fourth proportional to 7,197,119.37, 9,932,292.23 and 3,934,153.53 is: 5,429,278.09
Step by Step Solution
- Step 1: Write the proportion equation
7,197,119.37 : 9,932,292.23 = 3,934,153.53 : x - Step 2: Convert to fraction form
7,197,119.37/9,932,292.23 = 3,934,153.53/x - Step 3: Cross multiply
7,197,119.37x = 9,932,292.23 × 3,934,153.53 - Step 4: Simplify right side
7,197,119.37x = 39,075,162,517,975.30 - Step 5: Solve for x
x = 39,075,162,517,975.30/7,197,119.37 - Step 6: Final answer
x = 5,429,278.09
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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.