Finding the Fourth Proportional to 8,734,539.20, 13,101,808.80 and 3,055,337.60
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Solution
The fourth proportional to 8,734,539.20, 13,101,808.80 and 3,055,337.60 is: 4,583,006.40
Step by Step Solution
- Step 1: Write the proportion equation
8,734,539.20 : 13,101,808.80 = 3,055,337.60 : x - Step 2: Convert to fraction form
8,734,539.20/13,101,808.80 = 3,055,337.60/x - Step 3: Cross multiply
8,734,539.20x = 13,101,808.80 × 3,055,337.60 - Step 4: Simplify right side
8,734,539.20x = 40,030,449,054,650.88 - Step 5: Solve for x
x = 40,030,449,054,650.88/8,734,539.20 - Step 6: Final answer
x = 4,583,006.40
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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.