Finding the Fourth Proportional to 27,769,564.28, 41,681,213.71 and 13,402,745.75
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Solution
The fourth proportional to 27,769,564.28, 41,681,213.71 and 13,402,745.75 is: 20,117,085.89
Step by Step Solution
- Step 1: Write the proportion equation
27,769,564.28 : 41,681,213.71 = 13,402,745.75 : x - Step 2: Convert to fraction form
27,769,564.28/41,681,213.71 = 13,402,745.75/x - Step 3: Cross multiply
27,769,564.28x = 41,681,213.71 × 13,402,745.75 - Step 4: Simplify right side
27,769,564.28x = 558,642,709,631,124.38 - Step 5: Solve for x
x = 558,642,709,631,124.38/27,769,564.28 - Step 6: Final answer
x = 20,117,085.89
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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.