Finding the Fourth Proportional to 46,380,689.68, 69,570,588.92 and 28,189,904.08
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Solution
The fourth proportional to 46,380,689.68, 69,570,588.92 and 28,189,904.08 is: 42,284,585.29
Step by Step Solution
- Step 1: Write the proportion equation
46,380,689.68 : 69,570,588.92 = 28,189,904.08 : x - Step 2: Convert to fraction form
46,380,689.68/69,570,588.92 = 28,189,904.08/x - Step 3: Cross multiply
46,380,689.68x = 69,570,588.92 × 28,189,904.08 - Step 4: Simplify right side
46,380,689.68x = 1,961,188,228,443,910.75 - Step 5: Solve for x
x = 1,961,188,228,443,910.75/46,380,689.68 - Step 6: Final answer
x = 42,284,585.29
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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.