Finding the Fourth Proportional to 10,258,466.74, 14,156,694.21 and 5,675,097.94
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Solution
The fourth proportional to 10,258,466.74, 14,156,694.21 and 5,675,097.94 is: 7,831,640.75
Step by Step Solution
- Step 1: Write the proportion equation
10,258,466.74 : 14,156,694.21 = 5,675,097.94 : x - Step 2: Convert to fraction form
10,258,466.74/14,156,694.21 = 5,675,097.94/x - Step 3: Cross multiply
10,258,466.74x = 14,156,694.21 × 5,675,097.94 - Step 4: Simplify right side
10,258,466.74x = 80,340,626,148,380.94 - Step 5: Solve for x
x = 80,340,626,148,380.94/10,258,466.74 - Step 6: Final answer
x = 7,831,640.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.