Finding the Fourth Proportional to 21,414,864.75, 32,083,324.80 and 19,119,039.63
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Solution
The fourth proportional to 21,414,864.75, 32,083,324.80 and 19,119,039.63 is: 28,643,765.23
Step by Step Solution
- Step 1: Write the proportion equation
21,414,864.75 : 32,083,324.80 = 19,119,039.63 : x - Step 2: Convert to fraction form
21,414,864.75/32,083,324.80 = 19,119,039.63/x - Step 3: Cross multiply
21,414,864.75x = 32,083,324.80 × 19,119,039.63 - Step 4: Simplify right side
21,414,864.75x = 613,402,358,313,361.75 - Step 5: Solve for x
x = 613,402,358,313,361.75/21,414,864.75 - Step 6: Final answer
x = 28,643,765.23
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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.