Finding the Fourth Proportional to 18,824,236.84, 25,977,447.12 and 10,675,474.84
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Solution
The fourth proportional to 18,824,236.84, 25,977,447.12 and 10,675,474.84 is: 14,732,155.44
Step by Step Solution
- Step 1: Write the proportion equation
18,824,236.84 : 25,977,447.12 = 10,675,474.84 : x - Step 2: Convert to fraction form
18,824,236.84/25,977,447.12 = 10,675,474.84/x - Step 3: Cross multiply
18,824,236.84x = 25,977,447.12 × 10,675,474.84 - Step 4: Simplify right side
18,824,236.84x = 277,321,583,136,990.47 - Step 5: Solve for x
x = 277,321,583,136,990.47/18,824,236.84 - Step 6: Final answer
x = 14,732,155.44
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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.