Finding the Fourth Proportional to 7,029,385.75, 9,701,449.68 and 3,932,081.18
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Solution
The fourth proportional to 7,029,385.75, 9,701,449.68 and 3,932,081.18 is: 5,426,773.98
Step by Step Solution
- Step 1: Write the proportion equation
7,029,385.75 : 9,701,449.68 = 3,932,081.18 : x - Step 2: Convert to fraction form
7,029,385.75/9,701,449.68 = 3,932,081.18/x - Step 3: Cross multiply
7,029,385.75x = 9,701,449.68 × 3,932,081.18 - Step 4: Simplify right side
7,029,385.75x = 38,146,887,708,063.52 - Step 5: Solve for x
x = 38,146,887,708,063.52/7,029,385.75 - Step 6: Final answer
x = 5,426,773.98
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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.