Finding the Fourth Proportional to 5,983,487.90, 8,312,957.97 and 5,911,743.36
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Solution
The fourth proportional to 5,983,487.90, 8,312,957.97 and 5,911,743.36 is: 8,213,282.11
Step by Step Solution
- Step 1: Write the proportion equation
5,983,487.90 : 8,312,957.97 = 5,911,743.36 : x - Step 2: Convert to fraction form
5,983,487.90/8,312,957.97 = 5,911,743.36/x - Step 3: Cross multiply
5,983,487.90x = 8,312,957.97 × 5,911,743.36 - Step 4: Simplify right side
5,983,487.90x = 49,144,074,081,106.58 - Step 5: Solve for x
x = 49,144,074,081,106.58/5,983,487.90 - Step 6: Final answer
x = 8,213,282.11
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.