Finding the Fourth Proportional to 11,748,042.51, 16,213,324.55 and 6,854,841.02
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Solution
The fourth proportional to 11,748,042.51, 16,213,324.55 and 6,854,841.02 is: 9,460,279.19
Step by Step Solution
- Step 1: Write the proportion equation
11,748,042.51 : 16,213,324.55 = 6,854,841.02 : x - Step 2: Convert to fraction form
11,748,042.51/16,213,324.55 = 6,854,841.02/x - Step 3: Cross multiply
11,748,042.51x = 16,213,324.55 × 6,854,841.02 - Step 4: Simplify right side
11,748,042.51x = 111,139,762,080,572.20 - Step 5: Solve for x
x = 111,139,762,080,572.20/11,748,042.51 - Step 6: Final answer
x = 9,460,279.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.