Finding the Fourth Proportional to 11,085,962.40, 16,620,649.20 and 6,042,967.20
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Solution
The fourth proportional to 11,085,962.40, 16,620,649.20 and 6,042,967.20 is: 9,059,929.52
Step by Step Solution
- Step 1: Write the proportion equation
11,085,962.40 : 16,620,649.20 = 6,042,967.20 : x - Step 2: Convert to fraction form
11,085,962.40/16,620,649.20 = 6,042,967.20/x - Step 3: Cross multiply
11,085,962.40x = 16,620,649.20 × 6,042,967.20 - Step 4: Simplify right side
11,085,962.40x = 100,438,037,958,306.23 - Step 5: Solve for x
x = 100,438,037,958,306.23/11,085,962.40 - Step 6: Final answer
x = 9,059,929.52
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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.