Finding the Fourth Proportional to 18,241,806.90, 27,362,710.35 and 7,452,023.70
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Solution
The fourth proportional to 18,241,806.90, 27,362,710.35 and 7,452,023.70 is: 11,178,035.55
Step by Step Solution
- Step 1: Write the proportion equation
18,241,806.90 : 27,362,710.35 = 7,452,023.70 : x - Step 2: Convert to fraction form
18,241,806.90/27,362,710.35 = 7,452,023.70/x - Step 3: Cross multiply
18,241,806.90x = 27,362,710.35 × 7,452,023.70 - Step 4: Simplify right side
18,241,806.90x = 203,907,566,024,435.31 - Step 5: Solve for x
x = 203,907,566,024,435.31/18,241,806.90 - Step 6: Final answer
x = 11,178,035.55
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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.