Finding the Fourth Proportional to 15,412,028.29, 21,267,839.99 and 8,442,736.04
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Solution
The fourth proportional to 15,412,028.29, 21,267,839.99 and 8,442,736.04 is: 11,650,559.93
Step by Step Solution
- Step 1: Write the proportion equation
15,412,028.29 : 21,267,839.99 = 8,442,736.04 : x - Step 2: Convert to fraction form
15,412,028.29/21,267,839.99 = 8,442,736.04/x - Step 3: Cross multiply
15,412,028.29x = 21,267,839.99 × 8,442,736.04 - Step 4: Simplify right side
15,412,028.29x = 179,558,759,250,802.69 - Step 5: Solve for x
x = 179,558,759,250,802.69/15,412,028.29 - Step 6: Final answer
x = 11,650,559.93
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.