Finding the Fourth Proportional to 7,482,709.11, 11,220,575.99 and 3,887,510.75
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Solution
The fourth proportional to 7,482,709.11, 11,220,575.99 and 3,887,510.75 is: 5,829,454.15
Step by Step Solution
- Step 1: Write the proportion equation
7,482,709.11 : 11,220,575.99 = 3,887,510.75 : x - Step 2: Convert to fraction form
7,482,709.11/11,220,575.99 = 3,887,510.75/x - Step 3: Cross multiply
7,482,709.11x = 11,220,575.99 × 3,887,510.75 - Step 4: Simplify right side
7,482,709.11x = 43,620,109,706,776.46 - Step 5: Solve for x
x = 43,620,109,706,776.46/7,482,709.11 - Step 6: Final answer
x = 5,829,454.15
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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.