Finding the Fourth Proportional to 20,052,936.68, 27,673,135.72 and 11,352,788.24
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Solution
The fourth proportional to 20,052,936.68, 27,673,135.72 and 11,352,788.24 is: 15,666,894.81
Step by Step Solution
- Step 1: Write the proportion equation
20,052,936.68 : 27,673,135.72 = 11,352,788.24 : x - Step 2: Convert to fraction form
20,052,936.68/27,673,135.72 = 11,352,788.24/x - Step 3: Cross multiply
20,052,936.68x = 27,673,135.72 × 11,352,788.24 - Step 4: Simplify right side
20,052,936.68x = 314,167,249,599,192.25 - Step 5: Solve for x
x = 314,167,249,599,192.25/20,052,936.68 - Step 6: Final answer
x = 15,666,894.81
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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.