Finding the Fourth Proportional to 11,385,468.06, 15,711,676.48 and 6,228,871.98
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Solution
The fourth proportional to 11,385,468.06, 15,711,676.48 and 6,228,871.98 is: 8,595,695.92
Step by Step Solution
- Step 1: Write the proportion equation
11,385,468.06 : 15,711,676.48 = 6,228,871.98 : x - Step 2: Convert to fraction form
11,385,468.06/15,711,676.48 = 6,228,871.98/x - Step 3: Cross multiply
11,385,468.06x = 15,711,676.48 × 6,228,871.98 - Step 4: Simplify right side
11,385,468.06x = 97,866,021,385,097.05 - Step 5: Solve for x
x = 97,866,021,385,097.05/11,385,468.06 - Step 6: Final answer
x = 8,595,695.92
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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.