Finding the Fourth Proportional to 45,626,431.75, 68,448,228.21 and 18,334,888.17
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Solution
The fourth proportional to 45,626,431.75, 68,448,228.21 and 18,334,888.17 is: 27,505,780.35
Step by Step Solution
- Step 1: Write the proportion equation
45,626,431.75 : 68,448,228.21 = 18,334,888.17 : x - Step 2: Convert to fraction form
45,626,431.75/68,448,228.21 = 18,334,888.17/x - Step 3: Cross multiply
45,626,431.75x = 68,448,228.21 × 18,334,888.17 - Step 4: Simplify right side
45,626,431.75x = 1,254,990,609,664,989.25 - Step 5: Solve for x
x = 1,254,990,609,664,989.25/45,626,431.75 - Step 6: Final answer
x = 27,505,780.35
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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.