Finding the Fourth Proportional to 10,879,460.20, 16,323,207.90 and 4,490,266.60
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Solution
The fourth proportional to 10,879,460.20, 16,323,207.90 and 4,490,266.60 is: 6,737,058.08
Step by Step Solution
- Step 1: Write the proportion equation
10,879,460.20 : 16,323,207.90 = 4,490,266.60 : x - Step 2: Convert to fraction form
10,879,460.20/16,323,207.90 = 4,490,266.60/x - Step 3: Cross multiply
10,879,460.20x = 16,323,207.90 × 4,490,266.60 - Step 4: Simplify right side
10,879,460.20x = 73,295,555,238,226.14 - Step 5: Solve for x
x = 73,295,555,238,226.14/10,879,460.20 - Step 6: Final answer
x = 6,737,058.08
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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.