Finding the Fourth Proportional to 51,660,259.11, 71,290,546.64 and 28,138,721.97
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Solution
The fourth proportional to 51,660,259.11, 71,290,546.64 and 28,138,721.97 is: 38,831,103.56
Step by Step Solution
- Step 1: Write the proportion equation
51,660,259.11 : 71,290,546.64 = 28,138,721.97 : x - Step 2: Convert to fraction form
51,660,259.11/71,290,546.64 = 28,138,721.97/x - Step 3: Cross multiply
51,660,259.11x = 71,290,546.64 × 28,138,721.97 - Step 4: Simplify right side
51,660,259.11x = 2,006,024,871,224,443.75 - Step 5: Solve for x
x = 2,006,024,871,224,443.75/51,660,259.11 - Step 6: Final answer
x = 38,831,103.56
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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.