Finding the Fourth Proportional to 19,747,175.99, 27,253,404.68 and 11,487,586.40
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Solution
The fourth proportional to 19,747,175.99, 27,253,404.68 and 11,487,586.40 is: 15,854,208.27
Step by Step Solution
- Step 1: Write the proportion equation
19,747,175.99 : 27,253,404.68 = 11,487,586.40 : x - Step 2: Convert to fraction form
19,747,175.99/27,253,404.68 = 11,487,586.40/x - Step 3: Cross multiply
19,747,175.99x = 27,253,404.68 × 11,487,586.40 - Step 4: Simplify right side
19,747,175.99x = 313,075,840,819,837.69 - Step 5: Solve for x
x = 313,075,840,819,837.69/19,747,175.99 - Step 6: Final answer
x = 15,854,208.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.