Finding the Fourth Proportional to 19,893,755.28, 27,415,858.68 and 17,430,318.48
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Solution
The fourth proportional to 19,893,755.28, 27,415,858.68 and 17,430,318.48 is: 24,020,962.43
Step by Step Solution
- Step 1: Write the proportion equation
19,893,755.28 : 27,415,858.68 = 17,430,318.48 : x - Step 2: Convert to fraction form
19,893,755.28/27,415,858.68 = 17,430,318.48/x - Step 3: Cross multiply
19,893,755.28x = 27,415,858.68 × 17,430,318.48 - Step 4: Simplify right side
19,893,755.28x = 477,867,148,195,072.44 - Step 5: Solve for x
x = 477,867,148,195,072.44/19,893,755.28 - Step 6: Final answer
x = 24,020,962.43
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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.