Finding the Fourth Proportional to 36,381,810.88, 50,206,780.20 and 19,862,138.80
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Solution
The fourth proportional to 36,381,810.88, 50,206,780.20 and 19,862,138.80 is: 27,409,686.68
Step by Step Solution
- Step 1: Write the proportion equation
36,381,810.88 : 50,206,780.20 = 19,862,138.80 : x - Step 2: Convert to fraction form
36,381,810.88/50,206,780.20 = 19,862,138.80/x - Step 3: Cross multiply
36,381,810.88x = 50,206,780.20 × 19,862,138.80 - Step 4: Simplify right side
36,381,810.88x = 997,214,037,033,491.88 - Step 5: Solve for x
x = 997,214,037,033,491.88/36,381,810.88 - Step 6: Final answer
x = 27,409,686.68
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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.