Finding the Fourth Proportional to 38,831,793.60, 58,213,570.14 and 15,822,076.80
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Solution
The fourth proportional to 38,831,793.60, 58,213,570.14 and 15,822,076.80 is: 23,719,212.85
Step by Step Solution
- Step 1: Write the proportion equation
38,831,793.60 : 58,213,570.14 = 15,822,076.80 : x - Step 2: Convert to fraction form
38,831,793.60/58,213,570.14 = 15,822,076.80/x - Step 3: Cross multiply
38,831,793.60x = 58,213,570.14 × 15,822,076.80 - Step 4: Simplify right side
38,831,793.60x = 921,059,577,557,266.75 - Step 5: Solve for x
x = 921,059,577,557,266.75/38,831,793.60 - Step 6: Final answer
x = 23,719,212.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.