Finding the Fourth Proportional to 14,073,859.36, 19,424,014.68 and 8,917,703.92
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Solution
The fourth proportional to 14,073,859.36, 19,424,014.68 and 8,917,703.92 is: 12,307,754.93
Step by Step Solution
- Step 1: Write the proportion equation
14,073,859.36 : 19,424,014.68 = 8,917,703.92 : x - Step 2: Convert to fraction form
14,073,859.36/19,424,014.68 = 8,917,703.92/x - Step 3: Cross multiply
14,073,859.36x = 19,424,014.68 × 8,917,703.92 - Step 4: Simplify right side
14,073,859.36x = 173,217,611,853,973.53 - Step 5: Solve for x
x = 173,217,611,853,973.53/14,073,859.36 - Step 6: Final answer
x = 12,307,754.93
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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.