Finding the Fourth Proportional to 19,914,684.29, 29,877,342.38 and 7,136,480.69
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Solution
The fourth proportional to 19,914,684.29, 29,877,342.38 and 7,136,480.69 is: 10,706,626.02
Step by Step Solution
- Step 1: Write the proportion equation
19,914,684.29 : 29,877,342.38 = 7,136,480.69 : x - Step 2: Convert to fraction form
19,914,684.29/29,877,342.38 = 7,136,480.69/x - Step 3: Cross multiply
19,914,684.29x = 29,877,342.38 × 7,136,480.69 - Step 4: Simplify right side
19,914,684.29x = 213,219,076,875,107.84 - Step 5: Solve for x
x = 213,219,076,875,107.84/19,914,684.29 - Step 6: Final answer
x = 10,706,626.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.