Finding the Fourth Proportional to 51,546,070.20, 77,317,355.70 and 13,207,960.20
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Solution
The fourth proportional to 51,546,070.20, 77,317,355.70 and 13,207,960.20 is: 19,811,491.99
Step by Step Solution
- Step 1: Write the proportion equation
51,546,070.20 : 77,317,355.70 = 13,207,960.20 : x - Step 2: Convert to fraction form
51,546,070.20/77,317,355.70 = 13,207,960.20/x - Step 3: Cross multiply
51,546,070.20x = 77,317,355.70 × 13,207,960.20 - Step 4: Simplify right side
51,546,070.20x = 1,021,204,556,854,843.12 - Step 5: Solve for x
x = 1,021,204,556,854,843.12/51,546,070.20 - Step 6: Final answer
x = 19,811,491.99
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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.