Finding the Fourth Proportional to 8,137,387.24, 11,229,579.47 and 4,652,791.44
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Solution
The fourth proportional to 8,137,387.24, 11,229,579.47 and 4,652,791.44 is: 6,420,843.65
Step by Step Solution
- Step 1: Write the proportion equation
8,137,387.24 : 11,229,579.47 = 4,652,791.44 : x - Step 2: Convert to fraction form
8,137,387.24/11,229,579.47 = 4,652,791.44/x - Step 3: Cross multiply
8,137,387.24x = 11,229,579.47 × 4,652,791.44 - Step 4: Simplify right side
8,137,387.24x = 52,248,891,209,551.78 - Step 5: Solve for x
x = 52,248,891,209,551.78/8,137,387.24 - Step 6: Final answer
x = 6,420,843.65
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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.