Finding the Fourth Proportional to 14,393,848.48, 19,863,482.10 and 8,198,892.84
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Solution
The fourth proportional to 14,393,848.48, 19,863,482.10 and 8,198,892.84 is: 11,314,455.71
Step by Step Solution
- Step 1: Write the proportion equation
14,393,848.48 : 19,863,482.10 = 8,198,892.84 : x - Step 2: Convert to fraction form
14,393,848.48/19,863,482.10 = 8,198,892.84/x - Step 3: Cross multiply
14,393,848.48x = 19,863,482.10 × 8,198,892.84 - Step 4: Simplify right side
14,393,848.48x = 162,858,561,126,163.69 - Step 5: Solve for x
x = 162,858,561,126,163.69/14,393,848.48 - Step 6: Final answer
x = 11,314,455.71
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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.