Finding the Fourth Proportional to 18,731,884.80, 28,098,604.80 and 5,952,028.80
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Solution
The fourth proportional to 18,731,884.80, 28,098,604.80 and 5,952,028.80 is: 8,928,290.28
Step by Step Solution
- Step 1: Write the proportion equation
18,731,884.80 : 28,098,604.80 = 5,952,028.80 : x - Step 2: Convert to fraction form
18,731,884.80/28,098,604.80 = 5,952,028.80/x - Step 3: Cross multiply
18,731,884.80x = 28,098,604.80 × 5,952,028.80 - Step 4: Simplify right side
18,731,884.80x = 167,243,705,009,418.25 - Step 5: Solve for x
x = 167,243,705,009,418.25/18,731,884.80 - Step 6: Final answer
x = 8,928,290.28
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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.