Finding the Fourth Proportional to 33,919,651.50, 46,796,438.46 and 19,972,482.74
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Solution
The fourth proportional to 33,919,651.50, 46,796,438.46 and 19,972,482.74 is: 27,554,559.61
Step by Step Solution
- Step 1: Write the proportion equation
33,919,651.50 : 46,796,438.46 = 19,972,482.74 : x - Step 2: Convert to fraction form
33,919,651.50/46,796,438.46 = 19,972,482.74/x - Step 3: Cross multiply
33,919,651.50x = 46,796,438.46 × 19,972,482.74 - Step 4: Simplify right side
33,919,651.50x = 934,641,059,201,840 - Step 5: Solve for x
x = 934,641,059,201,840/33,919,651.50 - Step 6: Final answer
x = 27,554,559.61
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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.