Finding the Fourth Proportional to 21,114,660, 29,138,230.80 and 11,456,868
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Solution
The fourth proportional to 21,114,660, 29,138,230.80 and 11,456,868 is: 15,810,477.84
Step by Step Solution
- Step 1: Write the proportion equation
21,114,660 : 29,138,230.80 = 11,456,868 : x - Step 2: Convert to fraction form
21,114,660/29,138,230.80 = 11,456,868/x - Step 3: Cross multiply
21,114,660x = 29,138,230.80 × 11,456,868 - Step 4: Simplify right side
21,114,660x = 333,832,864,029,134.44 - Step 5: Solve for x
x = 333,832,864,029,134.44/21,114,660 - Step 6: Final answer
x = 15,810,477.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.