Finding the Fourth Proportional to 14,762,252.91, 20,371,921.79 and 8,235,883.72
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Solution
The fourth proportional to 14,762,252.91, 20,371,921.79 and 8,235,883.72 is: 11,365,526.66
Step by Step Solution
- Step 1: Write the proportion equation
14,762,252.91 : 20,371,921.79 = 8,235,883.72 : x - Step 2: Convert to fraction form
14,762,252.91/20,371,921.79 = 8,235,883.72/x - Step 3: Cross multiply
14,762,252.91x = 20,371,921.79 × 8,235,883.72 - Step 4: Simplify right side
14,762,252.91x = 167,780,779,015,374.25 - Step 5: Solve for x
x = 167,780,779,015,374.25/14,762,252.91 - Step 6: Final answer
x = 11,365,526.66
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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.