Finding the Fourth Proportional to 7,132,388.17, 9,842,695.68 and 4,076,668.03
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Solution
The fourth proportional to 7,132,388.17, 9,842,695.68 and 4,076,668.03 is: 5,625,801.88
Step by Step Solution
- Step 1: Write the proportion equation
7,132,388.17 : 9,842,695.68 = 4,076,668.03 : x - Step 2: Convert to fraction form
7,132,388.17/9,842,695.68 = 4,076,668.03/x - Step 3: Cross multiply
7,132,388.17x = 9,842,695.68 × 4,076,668.03 - Step 4: Simplify right side
7,132,388.17x = 40,125,402,822,090.18 - Step 5: Solve for x
x = 40,125,402,822,090.18/7,132,388.17 - Step 6: Final answer
x = 5,625,801.88
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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.