Finding the Fourth Proportional to 31,973,697.81, 44,124,156.68 and 19,579,268.97
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Solution
The fourth proportional to 31,973,697.81, 44,124,156.68 and 19,579,268.97 is: 27,019,669.00
Step by Step Solution
- Step 1: Write the proportion equation
31,973,697.81 : 44,124,156.68 = 19,579,268.97 : x - Step 2: Convert to fraction form
31,973,697.81/44,124,156.68 = 19,579,268.97/x - Step 3: Cross multiply
31,973,697.81x = 44,124,156.68 × 19,579,268.97 - Step 4: Simplify right side
31,973,697.81x = 863,918,731,614,245.75 - Step 5: Solve for x
x = 863,918,731,614,245.75/31,973,697.81 - Step 6: Final answer
x = 27,019,669.00
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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.