Finding the Fourth Proportional to 16,153,687.29, 22,321,118.67 and 12,279,482.40
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Solution
The fourth proportional to 16,153,687.29, 22,321,118.67 and 12,279,482.40 is: 16,967,753.49
Step by Step Solution
- Step 1: Write the proportion equation
16,153,687.29 : 22,321,118.67 = 12,279,482.40 : x - Step 2: Convert to fraction form
16,153,687.29/22,321,118.67 = 12,279,482.40/x - Step 3: Cross multiply
16,153,687.29x = 22,321,118.67 × 12,279,482.40 - Step 4: Simplify right side
16,153,687.29x = 274,091,783,856,576.44 - Step 5: Solve for x
x = 274,091,783,856,576.44/16,153,687.29 - Step 6: Final answer
x = 16,967,753.49
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1.5x scale
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.