Finding the Fourth Proportional to 43,195,201.80, 64,793,570.70 and 12,903,438.60
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Solution
The fourth proportional to 43,195,201.80, 64,793,570.70 and 12,903,438.60 is: 19,355,387.32
Step by Step Solution
- Step 1: Write the proportion equation
43,195,201.80 : 64,793,570.70 = 12,903,438.60 : x - Step 2: Convert to fraction form
43,195,201.80/64,793,570.70 = 12,903,438.60/x - Step 3: Cross multiply
43,195,201.80x = 64,793,570.70 × 12,903,438.60 - Step 4: Simplify right side
43,195,201.80x = 836,059,861,202,209 - Step 5: Solve for x
x = 836,059,861,202,209/43,195,201.80 - Step 6: Final answer
x = 19,355,387.32
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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.