Finding the Fourth Proportional to 7,354,360.80, 11,031,539.76 and 2,306,077.92
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Solution
The fourth proportional to 7,354,360.80, 11,031,539.76 and 2,306,077.92 is: 3,459,116.43
Step by Step Solution
- Step 1: Write the proportion equation
7,354,360.80 : 11,031,539.76 = 2,306,077.92 : x - Step 2: Convert to fraction form
7,354,360.80/11,031,539.76 = 2,306,077.92/x - Step 3: Cross multiply
7,354,360.80x = 11,031,539.76 × 2,306,077.92 - Step 4: Simplify right side
7,354,360.80x = 25,439,590,264,138.10 - Step 5: Solve for x
x = 25,439,590,264,138.10/7,354,360.80 - Step 6: Final answer
x = 3,459,116.43
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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.