Finding the Fourth Proportional to 19,802,835.09, 29,703,788.93 and 5,230,771.58
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Solution
The fourth proportional to 19,802,835.09, 29,703,788.93 and 5,230,771.58 is: 7,846,034.89
Step by Step Solution
- Step 1: Write the proportion equation
19,802,835.09 : 29,703,788.93 = 5,230,771.58 : x - Step 2: Convert to fraction form
19,802,835.09/29,703,788.93 = 5,230,771.58/x - Step 3: Cross multiply
19,802,835.09x = 29,703,788.93 × 5,230,771.58 - Step 4: Simplify right side
19,802,835.09x = 155,373,735,040,699 - Step 5: Solve for x
x = 155,373,735,040,699/19,802,835.09 - Step 6: Final answer
x = 7,846,034.89
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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.