Finding the Fourth Proportional to 20,627,862, 28,467,335.30 and 11,460,504.75
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Solution
The fourth proportional to 20,627,862, 28,467,335.30 and 11,460,504.75 is: 15,815,988.65
Step by Step Solution
- Step 1: Write the proportion equation
20,627,862 : 28,467,335.30 = 11,460,504.75 : x - Step 2: Convert to fraction form
20,627,862/28,467,335.30 = 11,460,504.75/x - Step 3: Cross multiply
20,627,862x = 28,467,335.30 × 11,460,504.75 - Step 4: Simplify right side
20,627,862x = 326,250,031,368,190.19 - Step 5: Solve for x
x = 326,250,031,368,190.19/20,627,862 - Step 6: Final answer
x = 15,815,988.65
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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.