Finding the Fourth Proportional to 12,994,933.74, 17,933,220 and 7,114,468.68
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Solution
The fourth proportional to 12,994,933.74, 17,933,220 and 7,114,468.68 is: 9,818,082.54
Step by Step Solution
- Step 1: Write the proportion equation
12,994,933.74 : 17,933,220 = 7,114,468.68 : x - Step 2: Convert to fraction form
12,994,933.74/17,933,220 = 7,114,468.68/x - Step 3: Cross multiply
12,994,933.74x = 17,933,220 × 7,114,468.68 - Step 4: Simplify right side
12,994,933.74x = 127,585,332,021,549.59 - Step 5: Solve for x
x = 127,585,332,021,549.59/12,994,933.74 - Step 6: Final answer
x = 9,818,082.54
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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.