Finding the Fourth Proportional to 28,770,972.42, 43,183,742.73 and 17,808,000
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Solution
The fourth proportional to 28,770,972.42, 43,183,742.73 and 17,808,000 is: 26,728,887.69
Step by Step Solution
- Step 1: Write the proportion equation
28,770,972.42 : 43,183,742.73 = 17,808,000 : x - Step 2: Convert to fraction form
28,770,972.42/43,183,742.73 = 17,808,000/x - Step 3: Cross multiply
28,770,972.42x = 43,183,742.73 × 17,808,000 - Step 4: Simplify right side
28,770,972.42x = 769,016,090,535,840 - Step 5: Solve for x
x = 769,016,090,535,840/28,770,972.42 - Step 6: Final answer
x = 26,728,887.69
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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.