Finding the Fourth Proportional to 9,141,479.05, 13,702,550.67 and 3,380,510.99
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Solution
The fourth proportional to 9,141,479.05, 13,702,550.67 and 3,380,510.99 is: 5,067,191.30
Step by Step Solution
- Step 1: Write the proportion equation
9,141,479.05 : 13,702,550.67 = 3,380,510.99 : x - Step 2: Convert to fraction form
9,141,479.05/13,702,550.67 = 3,380,510.99/x - Step 3: Cross multiply
9,141,479.05x = 13,702,550.67 × 3,380,510.99 - Step 4: Simplify right side
9,141,479.05x = 46,321,623,130,966.87 - Step 5: Solve for x
x = 46,321,623,130,966.87/9,141,479.05 - Step 6: Final answer
x = 5,067,191.30
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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.