Finding the Fourth Proportional to 7,766,328.24, 11,654,741.20 and 2,717,682.48
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Solution
The fourth proportional to 7,766,328.24, 11,654,741.20 and 2,717,682.48 is: 4,078,360.45
Step by Step Solution
- Step 1: Write the proportion equation
7,766,328.24 : 11,654,741.20 = 2,717,682.48 : x - Step 2: Convert to fraction form
7,766,328.24/11,654,741.20 = 2,717,682.48/x - Step 3: Cross multiply
7,766,328.24x = 11,654,741.20 × 2,717,682.48 - Step 4: Simplify right side
7,766,328.24x = 31,673,885,968,174.17 - Step 5: Solve for x
x = 31,673,885,968,174.17/7,766,328.24 - Step 6: Final answer
x = 4,078,360.45
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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.