Finding the Fourth Proportional to 7,976,695.26, 11,968,058.37 and 3,122,470.98
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Solution
The fourth proportional to 7,976,695.26, 11,968,058.37 and 3,122,470.98 is: 4,684,886.88
Step by Step Solution
- Step 1: Write the proportion equation
7,976,695.26 : 11,968,058.37 = 3,122,470.98 : x - Step 2: Convert to fraction form
7,976,695.26/11,968,058.37 = 3,122,470.98/x - Step 3: Cross multiply
7,976,695.26x = 11,968,058.37 × 3,122,470.98 - Step 4: Simplify right side
7,976,695.26x = 37,369,914,947,271.10 - Step 5: Solve for x
x = 37,369,914,947,271.10/7,976,695.26 - Step 6: Final answer
x = 4,684,886.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.