Finding the Fourth Proportional to 14,234,642.12, 19,645,211.22 and 8,123,984.84
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Solution
The fourth proportional to 14,234,642.12, 19,645,211.22 and 8,123,984.84 is: 11,211,900.99
Step by Step Solution
- Step 1: Write the proportion equation
14,234,642.12 : 19,645,211.22 = 8,123,984.84 : x - Step 2: Convert to fraction form
14,234,642.12/19,645,211.22 = 8,123,984.84/x - Step 3: Cross multiply
14,234,642.12x = 19,645,211.22 × 8,123,984.84 - Step 4: Simplify right side
14,234,642.12x = 159,597,398,129,877.91 - Step 5: Solve for x
x = 159,597,398,129,877.91/14,234,642.12 - Step 6: Final answer
x = 11,211,900.99
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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.