Finding the Fourth Proportional to 11,934,957.48, 16,473,142.01 and 7,292,651.68
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Solution
The fourth proportional to 11,934,957.48, 16,473,142.01 and 7,292,651.68 is: 10,065,631.73
Step by Step Solution
- Step 1: Write the proportion equation
11,934,957.48 : 16,473,142.01 = 7,292,651.68 : x - Step 2: Convert to fraction form
11,934,957.48/16,473,142.01 = 7,292,651.68/x - Step 3: Cross multiply
11,934,957.48x = 16,473,142.01 × 7,292,651.68 - Step 4: Simplify right side
11,934,957.48x = 120,132,886,754,105.06 - Step 5: Solve for x
x = 120,132,886,754,105.06/11,934,957.48 - Step 6: Final answer
x = 10,065,631.73
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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.