Finding the Fourth Proportional to 11,141,993.76, 15,370,291.80 and 7,276,777.44
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Solution
The fourth proportional to 11,141,993.76, 15,370,291.80 and 7,276,777.44 is: 10,038,256.62
Step by Step Solution
- Step 1: Write the proportion equation
11,141,993.76 : 15,370,291.80 = 7,276,777.44 : x - Step 2: Convert to fraction form
11,141,993.76/15,370,291.80 = 7,276,777.44/x - Step 3: Cross multiply
11,141,993.76x = 15,370,291.80 × 7,276,777.44 - Step 4: Simplify right side
11,141,993.76x = 111,846,192,616,457 - Step 5: Solve for x
x = 111,846,192,616,457/11,141,993.76 - Step 6: Final answer
x = 10,038,256.62
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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.