Finding the Fourth Proportional to 18,534,860.10, 27,804,914.55 and 5,754,032.10
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Solution
The fourth proportional to 18,534,860.10, 27,804,914.55 and 5,754,032.10 is: 8,631,862.88
Step by Step Solution
- Step 1: Write the proportion equation
18,534,860.10 : 27,804,914.55 = 5,754,032.10 : x - Step 2: Convert to fraction form
18,534,860.10/27,804,914.55 = 5,754,032.10/x - Step 3: Cross multiply
18,534,860.10x = 27,804,914.55 × 5,754,032.10 - Step 4: Simplify right side
18,534,860.10x = 159,990,370,858,457.06 - Step 5: Solve for x
x = 159,990,370,858,457.06/18,534,860.10 - Step 6: Final answer
x = 8,631,862.88
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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.