Finding the Fourth Proportional to 12,138,962.68, 16,751,573.04 and 6,632,219.26
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Solution
The fourth proportional to 12,138,962.68, 16,751,573.04 and 6,632,219.26 is: 9,152,355.79
Step by Step Solution
- Step 1: Write the proportion equation
12,138,962.68 : 16,751,573.04 = 6,632,219.26 : x - Step 2: Convert to fraction form
12,138,962.68/16,751,573.04 = 6,632,219.26/x - Step 3: Cross multiply
12,138,962.68x = 16,751,573.04 × 6,632,219.26 - Step 4: Simplify right side
12,138,962.68x = 111,100,105,351,184.73 - Step 5: Solve for x
x = 111,100,105,351,184.73/12,138,962.68 - Step 6: Final answer
x = 9,152,355.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.