Finding the Fourth Proportional to 39,770,077.00, 59,655,184.69 and 12,478,464.19
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Solution
The fourth proportional to 39,770,077.00, 59,655,184.69 and 12,478,464.19 is: 18,717,717.99
Step by Step Solution
- Step 1: Write the proportion equation
39,770,077.00 : 59,655,184.69 = 12,478,464.19 : x - Step 2: Convert to fraction form
39,770,077.00/59,655,184.69 = 12,478,464.19/x - Step 3: Cross multiply
39,770,077.00x = 59,655,184.69 × 12,478,464.19 - Step 4: Simplify right side
39,770,077.00x = 744,405,085,603,725.38 - Step 5: Solve for x
x = 744,405,085,603,725.38/39,770,077.00 - Step 6: Final answer
x = 18,717,717.99
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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.