Finding the Fourth Proportional to 7,876,034.64, 11,811,319.49 and 2,758,351.66
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Solution
The fourth proportional to 7,876,034.64, 11,811,319.49 and 2,758,351.66 is: 4,136,570.52
Step by Step Solution
- Step 1: Write the proportion equation
7,876,034.64 : 11,811,319.49 = 2,758,351.66 : x - Step 2: Convert to fraction form
7,876,034.64/11,811,319.49 = 2,758,351.66/x - Step 3: Cross multiply
7,876,034.64x = 11,811,319.49 × 2,758,351.66 - Step 4: Simplify right side
7,876,034.64x = 32,579,772,699,399.43 - Step 5: Solve for x
x = 32,579,772,699,399.43/7,876,034.64 - Step 6: Final answer
x = 4,136,570.52
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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.