Finding the Fourth Proportional to 14,166,994.04, 19,548,944.34 and 7,971,932.78
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Solution
The fourth proportional to 14,166,994.04, 19,548,944.34 and 7,971,932.78 is: 11,000,418.99
Step by Step Solution
- Step 1: Write the proportion equation
14,166,994.04 : 19,548,944.34 = 7,971,932.78 : x - Step 2: Convert to fraction form
14,166,994.04/19,548,944.34 = 7,971,932.78/x - Step 3: Cross multiply
14,166,994.04x = 19,548,944.34 × 7,971,932.78 - Step 4: Simplify right side
14,166,994.04x = 155,842,870,198,441.47 - Step 5: Solve for x
x = 155,842,870,198,441.47/14,166,994.04 - Step 6: Final answer
x = 11,000,418.99
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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.