Finding the Fourth Proportional to 7,343,973.18, 10,134,481.50 and 4,080,704.10
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Solution
The fourth proportional to 7,343,973.18, 10,134,481.50 and 4,080,704.10 is: 5,631,259.70
Step by Step Solution
- Step 1: Write the proportion equation
7,343,973.18 : 10,134,481.50 = 4,080,704.10 : x - Step 2: Convert to fraction form
7,343,973.18/10,134,481.50 = 4,080,704.10/x - Step 3: Cross multiply
7,343,973.18x = 10,134,481.50 × 4,080,704.10 - Step 4: Simplify right side
7,343,973.18x = 41,355,820,208,424.15 - Step 5: Solve for x
x = 41,355,820,208,424.15/7,343,973.18 - Step 6: Final answer
x = 5,631,259.70
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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.