Finding the Fourth Proportional to 39,861,224.49, 55,008,490.49 and 21,526,509.99
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Solution
The fourth proportional to 39,861,224.49, 55,008,490.49 and 21,526,509.99 is: 29,706,584.16
Step by Step Solution
- Step 1: Write the proportion equation
39,861,224.49 : 55,008,490.49 = 21,526,509.99 : x - Step 2: Convert to fraction form
39,861,224.49/55,008,490.49 = 21,526,509.99/x - Step 3: Cross multiply
39,861,224.49x = 55,008,490.49 × 21,526,509.99 - Step 4: Simplify right side
39,861,224.49x = 1,184,140,819,960,172.25 - Step 5: Solve for x
x = 1,184,140,819,960,172.25/39,861,224.49 - Step 6: Final answer
x = 29,706,584.16
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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.