Finding the Fourth Proportional to 19,835,622.44, 29,741,873.16 and 7,690,897.88
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Solution
The fourth proportional to 19,835,622.44, 29,741,873.16 and 7,690,897.88 is: 11,531,864.45
Step by Step Solution
- Step 1: Write the proportion equation
19,835,622.44 : 29,741,873.16 = 7,690,897.88 : x - Step 2: Convert to fraction form
19,835,622.44/29,741,873.16 = 7,690,897.88/x - Step 3: Cross multiply
19,835,622.44x = 29,741,873.16 × 7,690,897.88 - Step 4: Simplify right side
19,835,622.44x = 228,741,709,233,472.91 - Step 5: Solve for x
x = 228,741,709,233,472.91/19,835,622.44 - Step 6: Final answer
x = 11,531,864.45
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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.