Finding the Fourth Proportional to 18,326,388.96, 27,495,563.08 and 8,740,521.90
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Solution
The fourth proportional to 18,326,388.96, 27,495,563.08 and 8,740,521.90 is: 13,113,634.76
Step by Step Solution
- Step 1: Write the proportion equation
18,326,388.96 : 27,495,563.08 = 8,740,521.90 : x - Step 2: Convert to fraction form
18,326,388.96/27,495,563.08 = 8,740,521.90/x - Step 3: Cross multiply
18,326,388.96x = 27,495,563.08 × 8,740,521.90 - Step 4: Simplify right side
18,326,388.96x = 240,325,571,253,571.44 - Step 5: Solve for x
x = 240,325,571,253,571.44/18,326,388.96 - Step 6: Final answer
x = 13,113,634.76
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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.