Finding the Fourth Proportional to 51,531,284.85, 71,147,416.49 and 39,588,828.44
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Solution
The fourth proportional to 51,531,284.85, 71,147,416.49 and 39,588,828.44 is: 54,658,890.67
Step by Step Solution
- Step 1: Write the proportion equation
51,531,284.85 : 71,147,416.49 = 39,588,828.44 : x - Step 2: Convert to fraction form
51,531,284.85/71,147,416.49 = 39,588,828.44/x - Step 3: Cross multiply
51,531,284.85x = 71,147,416.49 × 39,588,828.44 - Step 4: Simplify right side
51,531,284.85x = 2,816,642,864,818,156 - Step 5: Solve for x
x = 2,816,642,864,818,156/51,531,284.85 - Step 6: Final answer
x = 54,658,890.67
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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.