Finding the Fourth Proportional to 18,454,861.16, 27,627,781.98 and 13,630,509.80
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Solution
The fourth proportional to 18,454,861.16, 27,627,781.98 and 13,630,509.80 is: 20,405,504.53
Step by Step Solution
- Step 1: Write the proportion equation
18,454,861.16 : 27,627,781.98 = 13,630,509.80 : x - Step 2: Convert to fraction form
18,454,861.16/27,627,781.98 = 13,630,509.80/x - Step 3: Cross multiply
18,454,861.16x = 27,627,781.98 × 13,630,509.80 - Step 4: Simplify right side
18,454,861.16x = 376,580,753,030,653.44 - Step 5: Solve for x
x = 376,580,753,030,653.44/18,454,861.16 - Step 6: Final answer
x = 20,405,504.53
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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.