Finding the Fourth Proportional to 6,136,423.52, 8,466,387.84 and 3,557,589.68
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Solution
The fourth proportional to 6,136,423.52, 8,466,387.84 and 3,557,589.68 is: 4,908,385.79
Step by Step Solution
- Step 1: Write the proportion equation
6,136,423.52 : 8,466,387.84 = 3,557,589.68 : x - Step 2: Convert to fraction form
6,136,423.52/8,466,387.84 = 3,557,589.68/x - Step 3: Cross multiply
6,136,423.52x = 8,466,387.84 × 3,557,589.68 - Step 4: Simplify right side
6,136,423.52x = 30,119,934,006,461.49 - Step 5: Solve for x
x = 30,119,934,006,461.49/6,136,423.52 - Step 6: Final answer
x = 4,908,385.79
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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.