Finding the Fourth Proportional to 13,954,969.80, 20,916,902.70 and 5,432,473.80
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Solution
The fourth proportional to 13,954,969.80, 20,916,902.70 and 5,432,473.80 is: 8,142,656.52
Step by Step Solution
- Step 1: Write the proportion equation
13,954,969.80 : 20,916,902.70 = 5,432,473.80 : x - Step 2: Convert to fraction form
13,954,969.80/20,916,902.70 = 5,432,473.80/x - Step 3: Cross multiply
13,954,969.80x = 20,916,902.70 × 5,432,473.80 - Step 4: Simplify right side
13,954,969.80x = 113,630,525,894,899.25 - Step 5: Solve for x
x = 113,630,525,894,899.25/13,954,969.80 - Step 6: Final answer
x = 8,142,656.52
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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.