Finding the Fourth Proportional to 39,861,224.48, 55,008,490.48 and 21,526,509.98
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Solution
The fourth proportional to 39,861,224.48, 55,008,490.48 and 21,526,509.98 is: 29,706,584.15
Step by Step Solution
- Step 1: Write the proportion equation
39,861,224.48 : 55,008,490.48 = 21,526,509.98 : x - Step 2: Convert to fraction form
39,861,224.48/55,008,490.48 = 21,526,509.98/x - Step 3: Cross multiply
39,861,224.48x = 55,008,490.48 × 21,526,509.98 - Step 4: Simplify right side
39,861,224.48x = 1,184,140,819,386,160 - Step 5: Solve for x
x = 1,184,140,819,386,160/39,861,224.48 - Step 6: Final answer
x = 29,706,584.15
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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.