Finding the Fourth Proportional to 33,342,490.97, 46,013,182.35 and 18,254,487.73
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Solution
The fourth proportional to 33,342,490.97, 46,013,182.35 and 18,254,487.73 is: 25,191,491.34
Step by Step Solution
- Step 1: Write the proportion equation
33,342,490.97 : 46,013,182.35 = 18,254,487.73 : x - Step 2: Convert to fraction form
33,342,490.97/46,013,182.35 = 18,254,487.73/x - Step 3: Cross multiply
33,342,490.97x = 46,013,182.35 × 18,254,487.73 - Step 4: Simplify right side
33,342,490.97x = 839,947,072,511,294.62 - Step 5: Solve for x
x = 839,947,072,511,294.62/33,342,490.97 - Step 6: Final answer
x = 25,191,491.34
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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.