Finding the Fourth Proportional to 6,136,421.26, 8,466,384.72 and 3,557,587.46
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Solution
The fourth proportional to 6,136,421.26, 8,466,384.72 and 3,557,587.46 is: 4,908,382.73
Step by Step Solution
- Step 1: Write the proportion equation
6,136,421.26 : 8,466,384.72 = 3,557,587.46 : x - Step 2: Convert to fraction form
6,136,421.26/8,466,384.72 = 3,557,587.46/x - Step 3: Cross multiply
6,136,421.26x = 8,466,384.72 × 3,557,587.46 - Step 4: Simplify right side
6,136,421.26x = 30,119,904,111,407.61 - Step 5: Solve for x
x = 30,119,904,111,407.61/6,136,421.26 - Step 6: Final answer
x = 4,908,382.73
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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.