Finding the Fourth Proportional to 13,146,779.99, 19,809,906.33 and 10,803,125.18
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Solution
The fourth proportional to 13,146,779.99, 19,809,906.33 and 10,803,125.18 is: 16,278,426.96
Step by Step Solution
- Step 1: Write the proportion equation
13,146,779.99 : 19,809,906.33 = 10,803,125.18 : x - Step 2: Convert to fraction form
13,146,779.99/19,809,906.33 = 10,803,125.18/x - Step 3: Cross multiply
13,146,779.99x = 19,809,906.33 × 10,803,125.18 - Step 4: Simplify right side
13,146,779.99x = 214,008,897,887,064.38 - Step 5: Solve for x
x = 214,008,897,887,064.38/13,146,779.99 - Step 6: Final answer
x = 16,278,426.96
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.