Finding the Fourth Proportional to 34,379,824.69, 47,450,897.68 and 19,705,326.55
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Solution
The fourth proportional to 34,379,824.69, 47,450,897.68 and 19,705,326.55 is: 27,197,213.55
Step by Step Solution
- Step 1: Write the proportion equation
34,379,824.69 : 47,450,897.68 = 19,705,326.55 : x - Step 2: Convert to fraction form
34,379,824.69/47,450,897.68 = 19,705,326.55/x - Step 3: Cross multiply
34,379,824.69x = 47,450,897.68 × 19,705,326.55 - Step 4: Simplify right side
34,379,824.69x = 935,035,433,707,146.88 - Step 5: Solve for x
x = 935,035,433,707,146.88/34,379,824.69 - Step 6: Final answer
x = 27,197,213.55
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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.