Finding the Fourth Proportional to 7,756,638.41, 11,606,613.77 and 4,563,268.49
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Solution
The fourth proportional to 7,756,638.41, 11,606,613.77 and 4,563,268.49 is: 6,828,227.91
Step by Step Solution
- Step 1: Write the proportion equation
7,756,638.41 : 11,606,613.77 = 4,563,268.49 : x - Step 2: Convert to fraction form
7,756,638.41/11,606,613.77 = 4,563,268.49/x - Step 3: Cross multiply
7,756,638.41x = 11,606,613.77 × 4,563,268.49 - Step 4: Simplify right side
7,756,638.41x = 52,964,094,811,391.70 - Step 5: Solve for x
x = 52,964,094,811,391.70/7,756,638.41 - Step 6: Final answer
x = 6,828,227.91
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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.