Finding the Fourth Proportional to 21,028,532.04, 29,019,353.94 and 11,370,717
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Solution
The fourth proportional to 21,028,532.04, 29,019,353.94 and 11,370,717 is: 15,691,578.50
Step by Step Solution
- Step 1: Write the proportion equation
21,028,532.04 : 29,019,353.94 = 11,370,717 : x - Step 2: Convert to fraction form
21,028,532.04/29,019,353.94 = 11,370,717/x - Step 3: Cross multiply
21,028,532.04x = 29,019,353.94 × 11,370,717 - Step 4: Simplify right side
21,028,532.04x = 329,970,861,174,575 - Step 5: Solve for x
x = 329,970,861,174,575/21,028,532.04 - Step 6: Final answer
x = 15,691,578.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.