Finding the Fourth Proportional to 11,017,387.70, 16,531,512.60 and 4,956,408.80
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Solution
The fourth proportional to 11,017,387.70, 16,531,512.60 and 4,956,408.80 is: 7,437,056.47
Step by Step Solution
- Step 1: Write the proportion equation
11,017,387.70 : 16,531,512.60 = 4,956,408.80 : x - Step 2: Convert to fraction form
11,017,387.70/16,531,512.60 = 4,956,408.80/x - Step 3: Cross multiply
11,017,387.70x = 16,531,512.60 × 4,956,408.80 - Step 4: Simplify right side
11,017,387.70x = 81,936,934,527,950.88 - Step 5: Solve for x
x = 81,936,934,527,950.88/11,017,387.70 - Step 6: Final answer
x = 7,437,056.47
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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.