Finding the Fourth Proportional to 11,010,905.96, 16,516,352.86 and 3,438,520.68
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Solution
The fourth proportional to 11,010,905.96, 16,516,352.86 and 3,438,520.68 is: 5,157,779.12
Step by Step Solution
- Step 1: Write the proportion equation
11,010,905.96 : 16,516,352.86 = 3,438,520.68 : x - Step 2: Convert to fraction form
11,010,905.96/16,516,352.86 = 3,438,520.68/x - Step 3: Cross multiply
11,010,905.96x = 16,516,352.86 × 3,438,520.68 - Step 4: Simplify right side
11,010,905.96x = 56,791,820,867,287.15 - Step 5: Solve for x
x = 56,791,820,867,287.15/11,010,905.96 - Step 6: Final answer
x = 5,157,779.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.