Finding the Fourth Proportional to 21,874,460.07, 30,144,129.98 and 15,751,326.63
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Solution
The fourth proportional to 21,874,460.07, 30,144,129.98 and 15,751,326.63 is: 21,706,137.46
Step by Step Solution
- Step 1: Write the proportion equation
21,874,460.07 : 30,144,129.98 = 15,751,326.63 : x - Step 2: Convert to fraction form
21,874,460.07/30,144,129.98 = 15,751,326.63/x - Step 3: Cross multiply
21,874,460.07x = 30,144,129.98 × 15,751,326.63 - Step 4: Simplify right side
21,874,460.07x = 474,810,037,213,398.81 - Step 5: Solve for x
x = 474,810,037,213,398.81/21,874,460.07 - Step 6: Final answer
x = 21,706,137.46
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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.