Finding the Fourth Proportional to 45,901,893.37, 68,861,926.68 and 13,112,745.25
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Solution
The fourth proportional to 45,901,893.37, 68,861,926.68 and 13,112,745.25 is: 19,671,713.64
Step by Step Solution
- Step 1: Write the proportion equation
45,901,893.37 : 68,861,926.68 = 13,112,745.25 : x - Step 2: Convert to fraction form
45,901,893.37/68,861,926.68 = 13,112,745.25/x - Step 3: Cross multiply
45,901,893.37x = 68,861,926.68 × 13,112,745.25 - Step 4: Simplify right side
45,901,893.37x = 902,968,901,979,018.38 - Step 5: Solve for x
x = 902,968,901,979,018.38/45,901,893.37 - Step 6: Final answer
x = 19,671,713.64
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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.