Finding the Fourth Proportional to 11,995,570.55, 16,536,669.98 and 8,551,832.87
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Solution
The fourth proportional to 11,995,570.55, 16,536,669.98 and 8,551,832.87 is: 11,789,254.82
Step by Step Solution
- Step 1: Write the proportion equation
11,995,570.55 : 16,536,669.98 = 8,551,832.87 : x - Step 2: Convert to fraction form
11,995,570.55/16,536,669.98 = 8,551,832.87/x - Step 3: Cross multiply
11,995,570.55x = 16,536,669.98 × 8,551,832.87 - Step 4: Simplify right side
11,995,570.55x = 141,418,837,895,306.22 - Step 5: Solve for x
x = 141,418,837,895,306.22/11,995,570.55 - Step 6: Final answer
x = 11,789,254.82
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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.