Finding the Fourth Proportional to 10,285,336.80, 14,195,211.66 and 6,366,350.82
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Solution
The fourth proportional to 10,285,336.80, 14,195,211.66 and 6,366,350.82 is: 8,786,459.71
Step by Step Solution
- Step 1: Write the proportion equation
10,285,336.80 : 14,195,211.66 = 6,366,350.82 : x - Step 2: Convert to fraction form
10,285,336.80/14,195,211.66 = 6,366,350.82/x - Step 3: Cross multiply
10,285,336.80x = 14,195,211.66 × 6,366,350.82 - Step 4: Simplify right side
10,285,336.80x = 90,371,697,391,714.56 - Step 5: Solve for x
x = 90,371,697,391,714.56/10,285,336.80 - Step 6: Final answer
x = 8,786,459.71
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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.