Finding the Fourth Proportional to 16,225,990.41, 22,390,979.65 and 8,882,402.91
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Solution
The fourth proportional to 16,225,990.41, 22,390,979.65 and 8,882,402.91 is: 12,257,230.39
Step by Step Solution
- Step 1: Write the proportion equation
16,225,990.41 : 22,390,979.65 = 8,882,402.91 : x - Step 2: Convert to fraction form
16,225,990.41/22,390,979.65 = 8,882,402.91/x - Step 3: Cross multiply
16,225,990.41x = 22,390,979.65 × 8,882,402.91 - Step 4: Simplify right side
16,225,990.41x = 198,885,702,800,910.78 - Step 5: Solve for x
x = 198,885,702,800,910.78/16,225,990.41 - Step 6: Final answer
x = 12,257,230.39
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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.