Finding the Fourth Proportional to 7,343,964.16, 10,134,469.10 and 4,080,695.09
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Solution
The fourth proportional to 7,343,964.16, 10,134,469.10 and 4,080,695.09 is: 5,631,247.29
Step by Step Solution
- Step 1: Write the proportion equation
7,343,964.16 : 10,134,469.10 = 4,080,695.09 : x - Step 2: Convert to fraction form
7,343,964.16/10,134,469.10 = 4,080,695.09/x - Step 3: Cross multiply
7,343,964.16x = 10,134,469.10 × 4,080,695.09 - Step 4: Simplify right side
7,343,964.16x = 41,355,678,255,656.11 - Step 5: Solve for x
x = 41,355,678,255,656.11/7,343,964.16 - Step 6: Final answer
x = 5,631,247.29
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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.