Finding the Fourth Proportional to 34,412,104.61, 47,489,957.49 and 18,730,371.74
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Solution
The fourth proportional to 34,412,104.61, 47,489,957.49 and 18,730,371.74 is: 25,848,595.08
Step by Step Solution
- Step 1: Write the proportion equation
34,412,104.61 : 47,489,957.49 = 18,730,371.74 : x - Step 2: Convert to fraction form
34,412,104.61/47,489,957.49 = 18,730,371.74/x - Step 3: Cross multiply
34,412,104.61x = 47,489,957.49 × 18,730,371.74 - Step 4: Simplify right side
34,412,104.61x = 889,504,557,704,497.25 - Step 5: Solve for x
x = 889,504,557,704,497.25/34,412,104.61 - Step 6: Final answer
x = 25,848,595.08
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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.