Finding the Fourth Proportional to 51,475,116.21, 77,212,609.11 and 13,136,631.18
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Solution
The fourth proportional to 51,475,116.21, 77,212,609.11 and 13,136,631.18 is: 19,704,930.13
Step by Step Solution
- Step 1: Write the proportion equation
51,475,116.21 : 77,212,609.11 = 13,136,631.18 : x - Step 2: Convert to fraction form
51,475,116.21/77,212,609.11 = 13,136,631.18/x - Step 3: Cross multiply
51,475,116.21x = 77,212,609.11 × 13,136,631.18 - Step 4: Simplify right side
51,475,116.21x = 1,014,313,568,323,578 - Step 5: Solve for x
x = 1,014,313,568,323,578/51,475,116.21 - Step 6: Final answer
x = 19,704,930.13
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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.