Finding the Fourth Proportional to 19,394,843.32, 29,092,410.81 and 8,609,244.58
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Solution
The fourth proportional to 19,394,843.32, 29,092,410.81 and 8,609,244.58 is: 12,913,931.60
Step by Step Solution
- Step 1: Write the proportion equation
19,394,843.32 : 29,092,410.81 = 8,609,244.58 : x - Step 2: Convert to fraction form
19,394,843.32/29,092,410.81 = 8,609,244.58/x - Step 3: Cross multiply
19,394,843.32x = 29,092,410.81 × 8,609,244.58 - Step 4: Simplify right side
19,394,843.32x = 250,463,680,085,125.91 - Step 5: Solve for x
x = 250,463,680,085,125.91/19,394,843.32 - Step 6: Final answer
x = 12,913,931.60
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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.