Finding the Fourth Proportional to 39,838,290.99, 54,979,657.01 and 22,198,364.52
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Solution
The fourth proportional to 39,838,290.99, 54,979,657.01 and 22,198,364.52 is: 30,635,311.84
Step by Step Solution
- Step 1: Write the proportion equation
39,838,290.99 : 54,979,657.01 = 22,198,364.52 : x - Step 2: Convert to fraction form
39,838,290.99/54,979,657.01 = 22,198,364.52/x - Step 3: Cross multiply
39,838,290.99x = 54,979,657.01 × 22,198,364.52 - Step 4: Simplify right side
39,838,290.99x = 1,220,458,467,492,553.25 - Step 5: Solve for x
x = 1,220,458,467,492,553.25/39,838,290.99 - Step 6: Final answer
x = 30,635,311.84
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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.