Finding the Fourth Proportional to 8,462,985.75, 12,694,450.95 and 3,071,628.99
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Solution
The fourth proportional to 8,462,985.75, 12,694,450.95 and 3,071,628.99 is: 4,607,433.44
Step by Step Solution
- Step 1: Write the proportion equation
8,462,985.75 : 12,694,450.95 = 3,071,628.99 : x - Step 2: Convert to fraction form
8,462,985.75/12,694,450.95 = 3,071,628.99/x - Step 3: Cross multiply
8,462,985.75x = 12,694,450.95 × 3,071,628.99 - Step 4: Simplify right side
8,462,985.75x = 38,992,643,550,153.04 - Step 5: Solve for x
x = 38,992,643,550,153.04/8,462,985.75 - Step 6: Final answer
x = 4,607,433.44
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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.