Finding the Fourth Proportional to 7,514,487.63, 10,369,996.68 and 4,076,727.75
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Solution
The fourth proportional to 7,514,487.63, 10,369,996.68 and 4,076,727.75 is: 5,625,886.33
Step by Step Solution
- Step 1: Write the proportion equation
7,514,487.63 : 10,369,996.68 = 4,076,727.75 : x - Step 2: Convert to fraction form
7,514,487.63/10,369,996.68 = 4,076,727.75/x - Step 3: Cross multiply
7,514,487.63x = 10,369,996.68 × 4,076,727.75 - Step 4: Simplify right side
7,514,487.63x = 42,275,653,248,051.60 - Step 5: Solve for x
x = 42,275,653,248,051.60/7,514,487.63 - Step 6: Final answer
x = 5,625,886.33
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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.