Finding the Fourth Proportional to 16,224,691.37, 22,390,079.12 and 8,882,990.79
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Solution
The fourth proportional to 16,224,691.37, 22,390,079.12 and 8,882,990.79 is: 12,258,530.04
Step by Step Solution
- Step 1: Write the proportion equation
16,224,691.37 : 22,390,079.12 = 8,882,990.79 : x - Step 2: Convert to fraction form
16,224,691.37/22,390,079.12 = 8,882,990.79/x - Step 3: Cross multiply
16,224,691.37x = 22,390,079.12 × 8,882,990.79 - Step 4: Simplify right side
16,224,691.37x = 198,890,866,565,916.31 - Step 5: Solve for x
x = 198,890,866,565,916.31/16,224,691.37 - Step 6: Final answer
x = 12,258,530.04
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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.