Finding the Fourth Proportional to 19,720,169.61, 29,714,858.93 and 16,204,687.39
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Solution
The fourth proportional to 19,720,169.61, 29,714,858.93 and 16,204,687.39 is: 24,417,639.88
Step by Step Solution
- Step 1: Write the proportion equation
19,720,169.61 : 29,714,858.93 = 16,204,687.39 : x - Step 2: Convert to fraction form
19,720,169.61/29,714,858.93 = 16,204,687.39/x - Step 3: Cross multiply
19,720,169.61x = 29,714,858.93 × 16,204,687.39 - Step 4: Simplify right side
19,720,169.61x = 481,519,999,876,255.19 - Step 5: Solve for x
x = 481,519,999,876,255.19/19,720,169.61 - Step 6: Final answer
x = 24,417,639.88
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.