Finding the Fourth Proportional to 20,052,113.43, 27,671,119.37 and 11,352,090.74
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Solution
The fourth proportional to 20,052,113.43, 27,671,119.37 and 11,352,090.74 is: 15,665,433.92
Step by Step Solution
- Step 1: Write the proportion equation
20,052,113.43 : 27,671,119.37 = 11,352,090.74 : x - Step 2: Convert to fraction form
20,052,113.43/27,671,119.37 = 11,352,090.74/x - Step 3: Cross multiply
20,052,113.43x = 27,671,119.37 × 11,352,090.74 - Step 4: Simplify right side
20,052,113.43x = 314,125,057,908,851.19 - Step 5: Solve for x
x = 314,125,057,908,851.19/20,052,113.43 - Step 6: Final answer
x = 15,665,433.92
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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.