Finding the Fourth Proportional to 12,269,808.75, 16,926,113.44 and 9,364,155.09
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Solution
The fourth proportional to 12,269,808.75, 16,926,113.44 and 9,364,155.09 is: 12,917,784.99
Step by Step Solution
- Step 1: Write the proportion equation
12,269,808.75 : 16,926,113.44 = 9,364,155.09 : x - Step 2: Convert to fraction form
12,269,808.75/16,926,113.44 = 9,364,155.09/x - Step 3: Cross multiply
12,269,808.75x = 16,926,113.44 × 9,364,155.09 - Step 4: Simplify right side
12,269,808.75x = 158,498,751,323,093.41 - Step 5: Solve for x
x = 158,498,751,323,093.41/12,269,808.75 - Step 6: Final answer
x = 12,917,784.99
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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.