Finding the Fourth Proportional to 19,916,846.14, 27,484,603.08 and 11,431,382.56
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Solution
The fourth proportional to 19,916,846.14, 27,484,603.08 and 11,431,382.56 is: 15,774,937.97
Step by Step Solution
- Step 1: Write the proportion equation
19,916,846.14 : 27,484,603.08 = 11,431,382.56 : x - Step 2: Convert to fraction form
19,916,846.14/27,484,603.08 = 11,431,382.56/x - Step 3: Cross multiply
19,916,846.14x = 27,484,603.08 × 11,431,382.56 - Step 4: Simplify right side
19,916,846.14x = 314,187,012,317,234.25 - Step 5: Solve for x
x = 314,187,012,317,234.25/19,916,846.14 - Step 6: Final answer
x = 15,774,937.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.