Finding the Fourth Proportional to 10,218,677.28, 15,310,664.30 and 6,166,650.66
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Solution
The fourth proportional to 10,218,677.28, 15,310,664.30 and 6,166,650.66 is: 9,239,504.83
Step by Step Solution
- Step 1: Write the proportion equation
10,218,677.28 : 15,310,664.30 = 6,166,650.66 : x - Step 2: Convert to fraction form
10,218,677.28/15,310,664.30 = 6,166,650.66/x - Step 3: Cross multiply
10,218,677.28x = 15,310,664.30 × 6,166,650.66 - Step 4: Simplify right side
10,218,677.28x = 94,415,518,110,633.44 - Step 5: Solve for x
x = 94,415,518,110,633.44/10,218,677.28 - Step 6: Final answer
x = 9,239,504.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.