Finding the Fourth Proportional to 19,327,732.15, 29,012,606.19 and 7,821,120.52
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Solution
The fourth proportional to 19,327,732.15, 29,012,606.19 and 7,821,120.52 is: 11,740,181.82
Step by Step Solution
- Step 1: Write the proportion equation
19,327,732.15 : 29,012,606.19 = 7,821,120.52 : x - Step 2: Convert to fraction form
19,327,732.15/29,012,606.19 = 7,821,120.52/x - Step 3: Cross multiply
19,327,732.15x = 29,012,606.19 × 7,821,120.52 - Step 4: Simplify right side
19,327,732.15x = 226,911,089,611,288.03 - Step 5: Solve for x
x = 226,911,089,611,288.03/19,327,732.15 - Step 6: Final answer
x = 11,740,181.82
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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.