Finding the Fourth Proportional to 45,798,890.10, 68,729,827.95 and 18,872,546.10
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Solution
The fourth proportional to 45,798,890.10, 68,729,827.95 and 18,872,546.10 is: 28,321,796.52
Step by Step Solution
- Step 1: Write the proportion equation
45,798,890.10 : 68,729,827.95 = 18,872,546.10 : x - Step 2: Convert to fraction form
45,798,890.10/68,729,827.95 = 18,872,546.10/x - Step 3: Cross multiply
45,798,890.10x = 68,729,827.95 × 18,872,546.10 - Step 4: Simplify right side
45,798,890.10x = 1,297,106,846,431,443.75 - Step 5: Solve for x
x = 1,297,106,846,431,443.75/45,798,890.10 - Step 6: Final answer
x = 28,321,796.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.