Finding the Fourth Proportional to 16,107,827.20, 22,228,805.20 and 8,864,483.20
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Solution
The fourth proportional to 16,107,827.20, 22,228,805.20 and 8,864,483.20 is: 12,232,988.83
Step by Step Solution
- Step 1: Write the proportion equation
16,107,827.20 : 22,228,805.20 = 8,864,483.20 : x - Step 2: Convert to fraction form
16,107,827.20/22,228,805.20 = 8,864,483.20/x - Step 3: Cross multiply
16,107,827.20x = 22,228,805.20 × 8,864,483.20 - Step 4: Simplify right side
16,107,827.20x = 197,046,870,251,472.62 - Step 5: Solve for x
x = 197,046,870,251,472.62/16,107,827.20 - Step 6: Final answer
x = 12,232,988.83
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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.