Finding the Fourth Proportional to 39,286,441.80, 58,936,812.77 and 13,377,419.12
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Solution
The fourth proportional to 39,286,441.80, 58,936,812.77 and 13,377,419.12 is: 20,068,563.35
Step by Step Solution
- Step 1: Write the proportion equation
39,286,441.80 : 58,936,812.77 = 13,377,419.12 : x - Step 2: Convert to fraction form
39,286,441.80/58,936,812.77 = 13,377,419.12/x - Step 3: Cross multiply
39,286,441.80x = 58,936,812.77 × 13,377,419.12 - Step 4: Simplify right side
39,286,441.80x = 788,422,446,202,043.75 - Step 5: Solve for x
x = 788,422,446,202,043.75/39,286,441.80 - Step 6: Final answer
x = 20,068,563.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.