Finding the Fourth Proportional to 7,443,453.06, 11,163,313.35 and 5,445,228.42
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Solution
The fourth proportional to 7,443,453.06, 11,163,313.35 and 5,445,228.42 is: 8,166,477.39
Step by Step Solution
- Step 1: Write the proportion equation
7,443,453.06 : 11,163,313.35 = 5,445,228.42 : x - Step 2: Convert to fraction form
7,443,453.06/11,163,313.35 = 5,445,228.42/x - Step 3: Cross multiply
7,443,453.06x = 11,163,313.35 × 5,445,228.42 - Step 4: Simplify right side
7,443,453.06x = 60,786,791,114,785.41 - Step 5: Solve for x
x = 60,786,791,114,785.41/7,443,453.06 - Step 6: Final answer
x = 8,166,477.39
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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.