Finding the Fourth Proportional to 8,633,920.68, 11,914,739.28 and 4,766,359.68
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Solution
The fourth proportional to 8,633,920.68, 11,914,739.28 and 4,766,359.68 is: 6,577,537.02
Step by Step Solution
- Step 1: Write the proportion equation
8,633,920.68 : 11,914,739.28 = 4,766,359.68 : x - Step 2: Convert to fraction form
8,633,920.68/11,914,739.28 = 4,766,359.68/x - Step 3: Cross multiply
8,633,920.68x = 11,914,739.28 × 4,766,359.68 - Step 4: Simplify right side
8,633,920.68x = 56,789,932,901,904.23 - Step 5: Solve for x
x = 56,789,932,901,904.23/8,633,920.68 - Step 6: Final answer
x = 6,577,537.02
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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.