Finding the Fourth Proportional to 22,926,879.09, 31,639,091.94 and 12,613,380.75
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Solution
The fourth proportional to 22,926,879.09, 31,639,091.94 and 12,613,380.75 is: 17,406,464.77
Step by Step Solution
- Step 1: Write the proportion equation
22,926,879.09 : 31,639,091.94 = 12,613,380.75 : x - Step 2: Convert to fraction form
22,926,879.09/31,639,091.94 = 12,613,380.75/x - Step 3: Cross multiply
22,926,879.09x = 31,639,091.94 × 12,613,380.75 - Step 4: Simplify right side
22,926,879.09x = 399,075,913,223,476.19 - Step 5: Solve for x
x = 399,075,913,223,476.19/22,926,879.09 - Step 6: Final answer
x = 17,406,464.77
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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.