Finding the Fourth Proportional to 16,474,718.16, 22,733,964.20 and 9,132,480.72
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Solution
The fourth proportional to 16,474,718.16, 22,733,964.20 and 9,132,480.72 is: 12,602,187.65
Step by Step Solution
- Step 1: Write the proportion equation
16,474,718.16 : 22,733,964.20 = 9,132,480.72 : x - Step 2: Convert to fraction form
16,474,718.16/22,733,964.20 = 9,132,480.72/x - Step 3: Cross multiply
16,474,718.16x = 22,733,964.20 × 9,132,480.72 - Step 4: Simplify right side
16,474,718.16x = 207,617,489,745,670.22 - Step 5: Solve for x
x = 207,617,489,745,670.22/16,474,718.16 - Step 6: Final answer
x = 12,602,187.65
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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.