Finding the Fourth Proportional to 7,193,766.16, 9,934,026.74 and 4,619,930.82
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Solution
The fourth proportional to 7,193,766.16, 9,934,026.74 and 4,619,930.82 is: 6,379,762.04
Step by Step Solution
- Step 1: Write the proportion equation
7,193,766.16 : 9,934,026.74 = 4,619,930.82 : x - Step 2: Convert to fraction form
7,193,766.16/9,934,026.74 = 4,619,930.82/x - Step 3: Cross multiply
7,193,766.16x = 9,934,026.74 × 4,619,930.82 - Step 4: Simplify right side
7,193,766.16x = 45,894,516,302,830.13 - Step 5: Solve for x
x = 45,894,516,302,830.13/7,193,766.16 - Step 6: Final answer
x = 6,379,762.04
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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.