Finding the Fourth Proportional to 14,379,154.75, 19,843,368.69 and 8,183,897.68
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Solution
The fourth proportional to 14,379,154.75, 19,843,368.69 and 8,183,897.68 is: 11,293,855.71
Step by Step Solution
- Step 1: Write the proportion equation
14,379,154.75 : 19,843,368.69 = 8,183,897.68 : x - Step 2: Convert to fraction form
14,379,154.75/19,843,368.69 = 8,183,897.68/x - Step 3: Cross multiply
14,379,154.75x = 19,843,368.69 × 8,183,897.68 - Step 4: Simplify right side
14,379,154.75x = 162,396,098,985,475.66 - Step 5: Solve for x
x = 162,396,098,985,475.66/14,379,154.75 - Step 6: Final answer
x = 11,293,855.71
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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.