Finding the Fourth Proportional to 20,542,656.08, 28,348,516.84 and 11,375,102
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Solution
The fourth proportional to 20,542,656.08, 28,348,516.84 and 11,375,102 is: 15,697,447.76
Step by Step Solution
- Step 1: Write the proportion equation
20,542,656.08 : 28,348,516.84 = 11,375,102 : x - Step 2: Convert to fraction form
20,542,656.08/28,348,516.84 = 11,375,102/x - Step 3: Cross multiply
20,542,656.08x = 28,348,516.84 × 11,375,102 - Step 4: Simplify right side
20,542,656.08x = 322,467,270,603,717.69 - Step 5: Solve for x
x = 322,467,270,603,717.69/20,542,656.08 - Step 6: Final answer
x = 15,697,447.76
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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.