Finding the Fourth Proportional to 35,042,881.20, 48,358,661.40 and 19,573,191.60
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Solution
The fourth proportional to 35,042,881.20, 48,358,661.40 and 19,573,191.60 is: 27,010,716.95
Step by Step Solution
- Step 1: Write the proportion equation
35,042,881.20 : 48,358,661.40 = 19,573,191.60 : x - Step 2: Convert to fraction form
35,042,881.20/48,358,661.40 = 19,573,191.60/x - Step 3: Cross multiply
35,042,881.20x = 48,358,661.40 × 19,573,191.60 - Step 4: Simplify right side
35,042,881.20x = 946,533,345,101,724.25 - Step 5: Solve for x
x = 946,533,345,101,724.25/35,042,881.20 - Step 6: Final answer
x = 27,010,716.95
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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.