Finding the Fourth Proportional to 10,826,706.49, 14,935,846.68 and 9,587,579.63
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Solution
The fourth proportional to 10,826,706.49, 14,935,846.68 and 9,587,579.63 is: 13,226,424.81
Step by Step Solution
- Step 1: Write the proportion equation
10,826,706.49 : 14,935,846.68 = 9,587,579.63 : x - Step 2: Convert to fraction form
10,826,706.49/14,935,846.68 = 9,587,579.63/x - Step 3: Cross multiply
10,826,706.49x = 14,935,846.68 × 9,587,579.63 - Step 4: Simplify right side
10,826,706.49x = 143,198,619,311,291.91 - Step 5: Solve for x
x = 143,198,619,311,291.91/10,826,706.49 - Step 6: Final answer
x = 13,226,424.81
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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.