Finding the Fourth Proportional to 10,659,618.60, 15,984,762.30 and 4,267,746.60
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Solution
The fourth proportional to 10,659,618.60, 15,984,762.30 and 4,267,746.60 is: 6,399,751.95
Step by Step Solution
- Step 1: Write the proportion equation
10,659,618.60 : 15,984,762.30 = 4,267,746.60 : x - Step 2: Convert to fraction form
10,659,618.60/15,984,762.30 = 4,267,746.60/x - Step 3: Cross multiply
10,659,618.60x = 15,984,762.30 × 4,267,746.60 - Step 4: Simplify right side
10,659,618.60x = 68,218,914,957,633.18 - Step 5: Solve for x
x = 68,218,914,957,633.18/10,659,618.60 - Step 6: Final answer
x = 6,399,751.95
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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.