Finding the Fourth Proportional to 7,518,468.82, 10,375,497.21 and 4,080,710.02
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Solution
The fourth proportional to 7,518,468.82, 10,375,497.21 and 4,080,710.02 is: 5,631,385.38
Step by Step Solution
- Step 1: Write the proportion equation
7,518,468.82 : 10,375,497.21 = 4,080,710.02 : x - Step 2: Convert to fraction form
7,518,468.82/10,375,497.21 = 4,080,710.02/x - Step 3: Cross multiply
7,518,468.82x = 10,375,497.21 × 4,080,710.02 - Step 4: Simplify right side
7,518,468.82x = 42,339,395,427,329.05 - Step 5: Solve for x
x = 42,339,395,427,329.05/7,518,468.82 - Step 6: Final answer
x = 5,631,385.38
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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.