Finding the Fourth Proportional to 18,899,821.54, 26,080,079.65 and 10,526,552.44
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Solution
The fourth proportional to 18,899,821.54, 26,080,079.65 and 10,526,552.44 is: 14,525,709.96
Step by Step Solution
- Step 1: Write the proportion equation
18,899,821.54 : 26,080,079.65 = 10,526,552.44 : x - Step 2: Convert to fraction form
18,899,821.54/26,080,079.65 = 10,526,552.44/x - Step 3: Cross multiply
18,899,821.54x = 26,080,079.65 × 10,526,552.44 - Step 4: Simplify right side
18,899,821.54x = 274,533,326,075,101.81 - Step 5: Solve for x
x = 274,533,326,075,101.81/18,899,821.54 - Step 6: Final answer
x = 14,525,709.96
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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.