Finding the Fourth Proportional to 13,228,495.20, 19,832,650.20 and 6,034,998.60
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Solution
The fourth proportional to 13,228,495.20, 19,832,650.20 and 6,034,998.60 is: 9,047,893.53
Step by Step Solution
- Step 1: Write the proportion equation
13,228,495.20 : 19,832,650.20 = 6,034,998.60 : x - Step 2: Convert to fraction form
13,228,495.20/19,832,650.20 = 6,034,998.60/x - Step 3: Cross multiply
13,228,495.20x = 19,832,650.20 × 6,034,998.60 - Step 4: Simplify right side
13,228,495.20x = 119,690,016,191,289.70 - Step 5: Solve for x
x = 119,690,016,191,289.70/13,228,495.20 - Step 6: Final answer
x = 9,047,893.53
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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.