Finding the Fourth Proportional to 18,187,290.30, 27,202,203.45 and 16,281,975.90
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Solution
The fourth proportional to 18,187,290.30, 27,202,203.45 and 16,281,975.90 is: 24,352,479.87
Step by Step Solution
- Step 1: Write the proportion equation
18,187,290.30 : 27,202,203.45 = 16,281,975.90 : x - Step 2: Convert to fraction form
18,187,290.30/27,202,203.45 = 16,281,975.90/x - Step 3: Cross multiply
18,187,290.30x = 27,202,203.45 × 16,281,975.90 - Step 4: Simplify right side
18,187,290.30x = 442,905,620,999,796.88 - Step 5: Solve for x
x = 442,905,620,999,796.88/18,187,290.30 - Step 6: Final answer
x = 24,352,479.87
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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.