Finding the Fourth Proportional to 53,245,326.40, 79,876,818.80 and 18,692,760
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Solution
The fourth proportional to 53,245,326.40, 79,876,818.80 and 18,692,760 is: 28,042,239.65
Step by Step Solution
- Step 1: Write the proportion equation
53,245,326.40 : 79,876,818.80 = 18,692,760 : x - Step 2: Convert to fraction form
53,245,326.40/79,876,818.80 = 18,692,760/x - Step 3: Cross multiply
53,245,326.40x = 79,876,818.80 × 18,692,760 - Step 4: Simplify right side
53,245,326.40x = 1,493,118,203,391,888 - Step 5: Solve for x
x = 1,493,118,203,391,888/53,245,326.40 - Step 6: Final answer
x = 28,042,239.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.