Finding the Fourth Proportional to 38,821,459.80, 58,232,189.70 and 29,863,507.80
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Solution
The fourth proportional to 38,821,459.80, 58,232,189.70 and 29,863,507.80 is: 44,795,261.70
Step by Step Solution
- Step 1: Write the proportion equation
38,821,459.80 : 58,232,189.70 = 29,863,507.80 : x - Step 2: Convert to fraction form
38,821,459.80/58,232,189.70 = 29,863,507.80/x - Step 3: Cross multiply
38,821,459.80x = 58,232,189.70 × 29,863,507.80 - Step 4: Simplify right side
38,821,459.80x = 1,739,017,451,317,029.75 - Step 5: Solve for x
x = 1,739,017,451,317,029.75/38,821,459.80 - Step 6: Final answer
x = 44,795,261.70
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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.