Finding the Fourth Proportional to 39,786,076.68, 59,678,918.34 and 34,378,271.16
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Solution
The fourth proportional to 39,786,076.68, 59,678,918.34 and 34,378,271.16 is: 51,567,236.79
Step by Step Solution
- Step 1: Write the proportion equation
39,786,076.68 : 59,678,918.34 = 34,378,271.16 : x - Step 2: Convert to fraction form
39,786,076.68/59,678,918.34 = 34,378,271.16/x - Step 3: Cross multiply
39,786,076.68x = 59,678,918.34 × 34,378,271.16 - Step 4: Simplify right side
39,786,076.68x = 2,051,658,037,228,017 - Step 5: Solve for x
x = 2,051,658,037,228,017/39,786,076.68 - Step 6: Final answer
x = 51,567,236.79
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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.