Finding the Fourth Proportional to 11,142,027.76, 15,370,338.66 and 7,276,811.44
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Solution
The fourth proportional to 11,142,027.76, 15,370,338.66 and 7,276,811.44 is: 10,038,303.49
Step by Step Solution
- Step 1: Write the proportion equation
11,142,027.76 : 15,370,338.66 = 7,276,811.44 : x - Step 2: Convert to fraction form
11,142,027.76/15,370,338.66 = 7,276,811.44/x - Step 3: Cross multiply
11,142,027.76x = 15,370,338.66 × 7,276,811.44 - Step 4: Simplify right side
11,142,027.76x = 111,847,056,197,762.28 - Step 5: Solve for x
x = 111,847,056,197,762.28/11,142,027.76 - Step 6: Final answer
x = 10,038,303.49
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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.