Finding the Fourth Proportional to 16,107,889.05, 22,228,890.41 and 8,864,545.05
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Solution
The fourth proportional to 16,107,889.05, 22,228,890.41 and 8,864,545.05 is: 12,233,074.11
Step by Step Solution
- Step 1: Write the proportion equation
16,107,889.05 : 22,228,890.41 = 8,864,545.05 : x - Step 2: Convert to fraction form
16,107,889.05/22,228,890.41 = 8,864,545.05/x - Step 3: Cross multiply
16,107,889.05x = 22,228,890.41 × 8,864,545.05 - Step 4: Simplify right side
16,107,889.05x = 197,049,000,473,119.38 - Step 5: Solve for x
x = 197,049,000,473,119.38/16,107,889.05 - Step 6: Final answer
x = 12,233,074.11
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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.