Finding the Fourth Proportional to 11,240,788.16, 15,512,663.64 and 6,889,033.55
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Solution
The fourth proportional to 11,240,788.16, 15,512,663.64 and 6,889,033.55 is: 9,507,096.72
Step by Step Solution
- Step 1: Write the proportion equation
11,240,788.16 : 15,512,663.64 = 6,889,033.55 : x - Step 2: Convert to fraction form
11,240,788.16/15,512,663.64 = 6,889,033.55/x - Step 3: Cross multiply
11,240,788.16x = 15,512,663.64 × 6,889,033.55 - Step 4: Simplify right side
11,240,788.16x = 106,867,260,188,261.81 - Step 5: Solve for x
x = 106,867,260,188,261.81/11,240,788.16 - Step 6: Final answer
x = 9,507,096.72
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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.