Finding the Fourth Proportional to 42,131,361.12, 63,190,587.60 and 13,373,769.12
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Solution
The fourth proportional to 42,131,361.12, 63,190,587.60 and 13,373,769.12 is: 20,058,604.96
Step by Step Solution
- Step 1: Write the proportion equation
42,131,361.12 : 63,190,587.60 = 13,373,769.12 : x - Step 2: Convert to fraction form
42,131,361.12/63,190,587.60 = 13,373,769.12/x - Step 3: Cross multiply
42,131,361.12x = 63,190,587.60 × 13,373,769.12 - Step 4: Simplify right side
42,131,361.12x = 845,096,329,119,534.88 - Step 5: Solve for x
x = 845,096,329,119,534.88/42,131,361.12 - Step 6: Final answer
x = 20,058,604.96
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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.