Finding the Fourth Proportional to 10,973,878.62, 16,460,819.76 and 4,580,643.42
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Solution
The fourth proportional to 10,973,878.62, 16,460,819.76 and 4,580,643.42 is: 6,870,965.89
Step by Step Solution
- Step 1: Write the proportion equation
10,973,878.62 : 16,460,819.76 = 4,580,643.42 : x - Step 2: Convert to fraction form
10,973,878.62/16,460,819.76 = 4,580,643.42/x - Step 3: Cross multiply
10,973,878.62x = 16,460,819.76 × 4,580,643.42 - Step 4: Simplify right side
10,973,878.62x = 75,401,145,721,449.98 - Step 5: Solve for x
x = 75,401,145,721,449.98/10,973,878.62 - Step 6: Final answer
x = 6,870,965.89
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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.