Finding the Fourth Proportional to 7,990,616.53, 11,986,035.43 and 2,599,295.14
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Solution
The fourth proportional to 7,990,616.53, 11,986,035.43 and 2,599,295.14 is: 3,898,978.70
Step by Step Solution
- Step 1: Write the proportion equation
7,990,616.53 : 11,986,035.43 = 2,599,295.14 : x - Step 2: Convert to fraction form
7,990,616.53/11,986,035.43 = 2,599,295.14/x - Step 3: Cross multiply
7,990,616.53x = 11,986,035.43 × 2,599,295.14 - Step 4: Simplify right side
7,990,616.53x = 31,155,243,628,070.34 - Step 5: Solve for x
x = 31,155,243,628,070.34/7,990,616.53 - Step 6: Final answer
x = 3,898,978.70
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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.