Finding the Fourth Proportional to 10,362,682.45, 15,544,023.68 and 8,197,844.05
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Solution
The fourth proportional to 10,362,682.45, 15,544,023.68 and 8,197,844.05 is: 12,296,766.08
Step by Step Solution
- Step 1: Write the proportion equation
10,362,682.45 : 15,544,023.68 = 8,197,844.05 : x - Step 2: Convert to fraction form
10,362,682.45/15,544,023.68 = 8,197,844.05/x - Step 3: Cross multiply
10,362,682.45x = 15,544,023.68 × 8,197,844.05 - Step 4: Simplify right side
10,362,682.45x = 127,427,482,038,147.09 - Step 5: Solve for x
x = 127,427,482,038,147.09/10,362,682.45 - Step 6: Final answer
x = 12,296,766.08
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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.