Finding the Fourth Proportional to 46,381,811.25, 69,581,269.77 and 15,259,219.88
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Solution
The fourth proportional to 46,381,811.25, 69,581,269.77 and 15,259,219.88 is: 22,891,643.65
Step by Step Solution
- Step 1: Write the proportion equation
46,381,811.25 : 69,581,269.77 = 15,259,219.88 : x - Step 2: Convert to fraction form
46,381,811.25/69,581,269.77 = 15,259,219.88/x - Step 3: Cross multiply
46,381,811.25x = 69,581,269.77 × 15,259,219.88 - Step 4: Simplify right side
46,381,811.25x = 1,061,755,895,022,126.25 - Step 5: Solve for x
x = 1,061,755,895,022,126.25/46,381,811.25 - Step 6: Final answer
x = 22,891,643.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.