Finding the Fourth Proportional to 12,691,204.75, 19,043,880.44 and 6,855,272.91
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Solution
The fourth proportional to 12,691,204.75, 19,043,880.44 and 6,855,272.91 is: 10,286,730.09
Step by Step Solution
- Step 1: Write the proportion equation
12,691,204.75 : 19,043,880.44 = 6,855,272.91 : x - Step 2: Convert to fraction form
12,691,204.75/19,043,880.44 = 6,855,272.91/x - Step 3: Cross multiply
12,691,204.75x = 19,043,880.44 × 6,855,272.91 - Step 4: Simplify right side
12,691,204.75x = 130,550,997,698,749.06 - Step 5: Solve for x
x = 130,550,997,698,749.06/12,691,204.75 - Step 6: Final answer
x = 10,286,730.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.