Finding the Fourth Proportional to 14,873,477.99, 20,525,806.69 and 8,347,511.97
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Solution
The fourth proportional to 14,873,477.99, 20,525,806.69 and 8,347,511.97 is: 11,519,794.98
Step by Step Solution
- Step 1: Write the proportion equation
14,873,477.99 : 20,525,806.69 = 8,347,511.97 : x - Step 2: Convert to fraction form
14,873,477.99/20,525,806.69 = 8,347,511.97/x - Step 3: Cross multiply
14,873,477.99x = 20,525,806.69 × 8,347,511.97 - Step 4: Simplify right side
14,873,477.99x = 171,339,417,017,812.28 - Step 5: Solve for x
x = 171,339,417,017,812.28/14,873,477.99 - Step 6: Final answer
x = 11,519,794.98
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1.5x scale
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.