Finding the Fourth Proportional to 10,654,068.79, 14,692,809.84 and 6,981,651.56
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Solution
The fourth proportional to 10,654,068.79, 14,692,809.84 and 6,981,651.56 is: 9,628,253.84
Step by Step Solution
- Step 1: Write the proportion equation
10,654,068.79 : 14,692,809.84 = 6,981,651.56 : x - Step 2: Convert to fraction form
10,654,068.79/14,692,809.84 = 6,981,651.56/x - Step 3: Cross multiply
10,654,068.79x = 14,692,809.84 × 6,981,651.56 - Step 4: Simplify right side
10,654,068.79x = 102,580,078,750,770.17 - Step 5: Solve for x
x = 102,580,078,750,770.17/10,654,068.79 - Step 6: Final answer
x = 9,628,253.84
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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.