Finding the Fourth Proportional to 8,517,139.30, 11,753,830.11 and 4,649,823.46
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Solution
The fourth proportional to 8,517,139.30, 11,753,830.11 and 4,649,823.46 is: 6,416,853.48
Step by Step Solution
- Step 1: Write the proportion equation
8,517,139.30 : 11,753,830.11 = 4,649,823.46 : x - Step 2: Convert to fraction form
8,517,139.30/11,753,830.11 = 4,649,823.46/x - Step 3: Cross multiply
8,517,139.30x = 11,753,830.11 × 4,649,823.46 - Step 4: Simplify right side
8,517,139.30x = 54,653,234,990,332.38 - Step 5: Solve for x
x = 54,653,234,990,332.38/8,517,139.30 - Step 6: Final answer
x = 6,416,853.48
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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.