Finding the Fourth Proportional to 19,303,172.53, 28,954,734.32 and 4,926,240.63
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Solution
The fourth proportional to 19,303,172.53, 28,954,734.32 and 4,926,240.63 is: 7,389,354.70
Step by Step Solution
- Step 1: Write the proportion equation
19,303,172.53 : 28,954,734.32 = 4,926,240.63 : x - Step 2: Convert to fraction form
19,303,172.53/28,954,734.32 = 4,926,240.63/x - Step 3: Cross multiply
19,303,172.53x = 28,954,734.32 × 4,926,240.63 - Step 4: Simplify right side
19,303,172.53x = 142,637,988,650,355.03 - Step 5: Solve for x
x = 142,637,988,650,355.03/19,303,172.53 - Step 6: Final answer
x = 7,389,354.70
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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.