Finding the Fourth Proportional to 16,217,344.91, 22,379,636.79 and 8,875,030.79
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Solution
The fourth proportional to 16,217,344.91, 22,379,636.79 and 8,875,030.79 is: 12,247,378.75
Step by Step Solution
- Step 1: Write the proportion equation
16,217,344.91 : 22,379,636.79 = 8,875,030.79 : x - Step 2: Convert to fraction form
16,217,344.91/22,379,636.79 = 8,875,030.79/x - Step 3: Cross multiply
16,217,344.91x = 22,379,636.79 × 8,875,030.79 - Step 4: Simplify right side
16,217,344.91x = 198,619,965,519,010.84 - Step 5: Solve for x
x = 198,619,965,519,010.84/16,217,344.91 - Step 6: Final answer
x = 12,247,378.75
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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.