Finding the Fourth Proportional to 33,812,507.94, 46,661,379.14 and 18,342,702.70
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Solution
The fourth proportional to 33,812,507.94, 46,661,379.14 and 18,342,702.70 is: 25,312,993.84
Step by Step Solution
- Step 1: Write the proportion equation
33,812,507.94 : 46,661,379.14 = 18,342,702.70 : x - Step 2: Convert to fraction form
33,812,507.94/46,661,379.14 = 18,342,702.70/x - Step 3: Cross multiply
33,812,507.94x = 46,661,379.14 × 18,342,702.70 - Step 4: Simplify right side
33,812,507.94x = 855,895,805,137,001.62 - Step 5: Solve for x
x = 855,895,805,137,001.62/33,812,507.94 - Step 6: Final answer
x = 25,312,993.84
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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.