Finding the Fourth Proportional to 29,722,627.40, 40,979,265.39 and 19,250,145.09
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Solution
The fourth proportional to 29,722,627.40, 40,979,265.39 and 19,250,145.09 is: 26,540,614.80
Step by Step Solution
- Step 1: Write the proportion equation
29,722,627.40 : 40,979,265.39 = 19,250,145.09 : x - Step 2: Convert to fraction form
29,722,627.40/40,979,265.39 = 19,250,145.09/x - Step 3: Cross multiply
29,722,627.40x = 40,979,265.39 × 19,250,145.09 - Step 4: Simplify right side
29,722,627.40x = 788,856,804,439,115.50 - Step 5: Solve for x
x = 788,856,804,439,115.50/29,722,627.40 - Step 6: Final answer
x = 26,540,614.80
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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.