Finding the Fourth Proportional to 7,685,983.14, 10,606,882.30 and 4,201,514.48
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Solution
The fourth proportional to 7,685,983.14, 10,606,882.30 and 4,201,514.48 is: 5,798,213.28
Step by Step Solution
- Step 1: Write the proportion equation
7,685,983.14 : 10,606,882.30 = 4,201,514.48 : x - Step 2: Convert to fraction form
7,685,983.14/10,606,882.30 = 4,201,514.48/x - Step 3: Cross multiply
7,685,983.14x = 10,606,882.30 × 4,201,514.48 - Step 4: Simplify right side
7,685,983.14x = 44,564,969,518,071.29 - Step 5: Solve for x
x = 44,564,969,518,071.29/7,685,983.14 - Step 6: Final answer
x = 5,798,213.28
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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.