Finding the Fourth Proportional to 19,876,766.23, 29,815,813.64 and 5,498,629.97
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Solution
The fourth proportional to 19,876,766.23, 29,815,813.64 and 5,498,629.97 is: 8,248,128.73
Step by Step Solution
- Step 1: Write the proportion equation
19,876,766.23 : 29,815,813.64 = 5,498,629.97 : x - Step 2: Convert to fraction form
19,876,766.23/29,815,813.64 = 5,498,629.97/x - Step 3: Cross multiply
19,876,766.23x = 29,815,813.64 × 5,498,629.97 - Step 4: Simplify right side
19,876,766.23x = 163,946,126,563,847.31 - Step 5: Solve for x
x = 163,946,126,563,847.31/19,876,766.23 - Step 6: Final answer
x = 8,248,128.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.