Finding the Fourth Proportional to 13,227,511.12, 19,841,333.56 and 4,128,845.99
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Solution
The fourth proportional to 13,227,511.12, 19,841,333.56 and 4,128,845.99 is: 6,193,289.87
Step by Step Solution
- Step 1: Write the proportion equation
13,227,511.12 : 19,841,333.56 = 4,128,845.99 : x - Step 2: Convert to fraction form
13,227,511.12/19,841,333.56 = 4,128,845.99/x - Step 3: Cross multiply
13,227,511.12x = 19,841,333.56 × 4,128,845.99 - Step 4: Simplify right side
13,227,511.12x = 81,921,810,544,739.66 - Step 5: Solve for x
x = 81,921,810,544,739.66/13,227,511.12 - Step 6: Final answer
x = 6,193,289.87
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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.