Finding the Fourth Proportional to 14,950,611.09, 20,636,403.48 and 8,672,724.99
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Solution
The fourth proportional to 14,950,611.09, 20,636,403.48 and 8,672,724.99 is: 11,971,005.81
Step by Step Solution
- Step 1: Write the proportion equation
14,950,611.09 : 20,636,403.48 = 8,672,724.99 : x - Step 2: Convert to fraction form
14,950,611.09/20,636,403.48 = 8,672,724.99/x - Step 3: Cross multiply
14,950,611.09x = 20,636,403.48 × 8,672,724.99 - Step 4: Simplify right side
14,950,611.09x = 178,973,852,164,718.97 - Step 5: Solve for x
x = 178,973,852,164,718.97/14,950,611.09 - Step 6: Final answer
x = 11,971,005.81
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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.