Finding the Fourth Proportional to 16,577,220.80, 24,869,194.20 and 5,215,026.80
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Solution
The fourth proportional to 16,577,220.80, 24,869,194.20 and 5,215,026.80 is: 7,823,598.17
Step by Step Solution
- Step 1: Write the proportion equation
16,577,220.80 : 24,869,194.20 = 5,215,026.80 : x - Step 2: Convert to fraction form
16,577,220.80/24,869,194.20 = 5,215,026.80/x - Step 3: Cross multiply
16,577,220.80x = 24,869,194.20 × 5,215,026.80 - Step 4: Simplify right side
16,577,220.80x = 129,693,514,247,404.55 - Step 5: Solve for x
x = 129,693,514,247,404.55/16,577,220.80 - Step 6: Final answer
x = 7,823,598.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.