Finding the Fourth Proportional to 10,609,613.16, 15,882,699.36 and 6,497,988.06
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Solution
The fourth proportional to 10,609,613.16, 15,882,699.36 and 6,497,988.06 is: 9,727,554.55
Step by Step Solution
- Step 1: Write the proportion equation
10,609,613.16 : 15,882,699.36 = 6,497,988.06 : x - Step 2: Convert to fraction form
10,609,613.16/15,882,699.36 = 6,497,988.06/x - Step 3: Cross multiply
10,609,613.16x = 15,882,699.36 × 6,497,988.06 - Step 4: Simplify right side
10,609,613.16x = 103,205,590,801,849.62 - Step 5: Solve for x
x = 103,205,590,801,849.62/10,609,613.16 - Step 6: Final answer
x = 9,727,554.55
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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.