Finding the Fourth Proportional to 18,972,716.13, 26,182,356.71 and 10,270,888.46
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Solution
The fourth proportional to 18,972,716.13, 26,182,356.71 and 10,270,888.46 is: 14,173,830.65
Step by Step Solution
- Step 1: Write the proportion equation
18,972,716.13 : 26,182,356.71 = 10,270,888.46 : x - Step 2: Convert to fraction form
18,972,716.13/26,182,356.71 = 10,270,888.46/x - Step 3: Cross multiply
18,972,716.13x = 26,182,356.71 × 10,270,888.46 - Step 4: Simplify right side
18,972,716.13x = 268,916,065,304,260.16 - Step 5: Solve for x
x = 268,916,065,304,260.16/18,972,716.13 - Step 6: Final answer
x = 14,173,830.65
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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.