Finding the Fourth Proportional to 14,785,939.80, 22,178,909.70 and 8,067,475.80
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Solution
The fourth proportional to 14,785,939.80, 22,178,909.70 and 8,067,475.80 is: 12,101,213.70
Step by Step Solution
- Step 1: Write the proportion equation
14,785,939.80 : 22,178,909.70 = 8,067,475.80 : x - Step 2: Convert to fraction form
14,785,939.80/22,178,909.70 = 8,067,475.80/x - Step 3: Cross multiply
14,785,939.80x = 22,178,909.70 × 8,067,475.80 - Step 4: Simplify right side
14,785,939.80x = 178,927,817,275,135.25 - Step 5: Solve for x
x = 178,927,817,275,135.25/14,785,939.80 - Step 6: Final answer
x = 12,101,213.70
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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.