Finding the Fourth Proportional to 12,193,619.75, 16,825,648.68 and 6,685,545.18
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Solution
The fourth proportional to 12,193,619.75, 16,825,648.68 and 6,685,545.18 is: 9,225,204.39
Step by Step Solution
- Step 1: Write the proportion equation
12,193,619.75 : 16,825,648.68 = 6,685,545.18 : x - Step 2: Convert to fraction form
12,193,619.75/16,825,648.68 = 6,685,545.18/x - Step 3: Cross multiply
12,193,619.75x = 16,825,648.68 × 6,685,545.18 - Step 4: Simplify right side
12,193,619.75x = 112,488,634,432,947.36 - Step 5: Solve for x
x = 112,488,634,432,947.36/12,193,619.75 - Step 6: Final answer
x = 9,225,204.39
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1.5x scale
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.