Finding the Fourth Proportional to 47,246,805.20, 65,209,046.37 and 27,666,550.46
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Solution
The fourth proportional to 47,246,805.20, 65,209,046.37 and 27,666,550.46 is: 38,184,790.79
Step by Step Solution
- Step 1: Write the proportion equation
47,246,805.20 : 65,209,046.37 = 27,666,550.46 : x - Step 2: Convert to fraction form
47,246,805.20/65,209,046.37 = 27,666,550.46/x - Step 3: Cross multiply
47,246,805.20x = 65,209,046.37 × 27,666,550.46 - Step 4: Simplify right side
47,246,805.20x = 1,804,109,371,844,084.75 - Step 5: Solve for x
x = 1,804,109,371,844,084.75/47,246,805.20 - Step 6: Final answer
x = 38,184,790.79
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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.