Finding the Fourth Proportional to 13,320,956.24, 19,989,405.85 and 5,747,921.99
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Solution
The fourth proportional to 13,320,956.24, 19,989,405.85 and 5,747,921.99 is: 8,625,322.64
Step by Step Solution
- Step 1: Write the proportion equation
13,320,956.24 : 19,989,405.85 = 5,747,921.99 : x - Step 2: Convert to fraction form
13,320,956.24/19,989,405.85 = 5,747,921.99/x - Step 3: Cross multiply
13,320,956.24x = 19,989,405.85 × 5,747,921.99 - Step 4: Simplify right side
13,320,956.24x = 114,897,545,452,249.66 - Step 5: Solve for x
x = 114,897,545,452,249.66/13,320,956.24 - Step 6: Final answer
x = 8,625,322.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.