Finding the Fourth Proportional to 33,438,513.44, 46,145,654.16 and 18,757,434.08
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Solution
The fourth proportional to 33,438,513.44, 46,145,654.16 and 18,757,434.08 is: 25,885,542.66
Step by Step Solution
- Step 1: Write the proportion equation
33,438,513.44 : 46,145,654.16 = 18,757,434.08 : x - Step 2: Convert to fraction form
33,438,513.44/46,145,654.16 = 18,757,434.08/x - Step 3: Cross multiply
33,438,513.44x = 46,145,654.16 × 18,757,434.08 - Step 4: Simplify right side
33,438,513.44x = 865,574,065,984,677.62 - Step 5: Solve for x
x = 865,574,065,984,677.62/33,438,513.44 - Step 6: Final answer
x = 25,885,542.66
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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.