Finding the Fourth Proportional to 11,574,682.62, 15,973,779.96 and 6,418,044.06
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Solution
The fourth proportional to 11,574,682.62, 15,973,779.96 and 6,418,044.06 is: 8,857,298.90
Step by Step Solution
- Step 1: Write the proportion equation
11,574,682.62 : 15,973,779.96 = 6,418,044.06 : x - Step 2: Convert to fraction form
11,574,682.62/15,973,779.96 = 6,418,044.06/x - Step 3: Cross multiply
11,574,682.62x = 15,973,779.96 × 6,418,044.06 - Step 4: Simplify right side
11,574,682.62x = 102,520,423,588,025.03 - Step 5: Solve for x
x = 102,520,423,588,025.03/11,574,682.62 - Step 6: Final answer
x = 8,857,298.90
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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.