Finding the Fourth Proportional to 19,783,116.07, 27,314,023.70 and 12,352,093.79
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Solution
The fourth proportional to 19,783,116.07, 27,314,023.70 and 12,352,093.79 is: 17,054,208.31
Step by Step Solution
- Step 1: Write the proportion equation
19,783,116.07 : 27,314,023.70 = 12,352,093.79 : x - Step 2: Convert to fraction form
19,783,116.07/27,314,023.70 = 12,352,093.79/x - Step 3: Cross multiply
19,783,116.07x = 27,314,023.70 × 12,352,093.79 - Step 4: Simplify right side
19,783,116.07x = 337,385,382,418,992.94 - Step 5: Solve for x
x = 337,385,382,418,992.94/19,783,116.07 - Step 6: Final answer
x = 17,054,208.31
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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.