Finding the Fourth Proportional to 7,326,258.20, 10,110,841.56 and 4,064,124.68
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Solution
The fourth proportional to 7,326,258.20, 10,110,841.56 and 4,064,124.68 is: 5,608,827.80
Step by Step Solution
- Step 1: Write the proportion equation
7,326,258.20 : 10,110,841.56 = 4,064,124.68 : x - Step 2: Convert to fraction form
7,326,258.20/10,110,841.56 = 4,064,124.68/x - Step 3: Cross multiply
7,326,258.20x = 10,110,841.56 × 4,064,124.68 - Step 4: Simplify right side
7,326,258.20x = 41,091,720,669,011.49 - Step 5: Solve for x
x = 41,091,720,669,011.49/7,326,258.20 - Step 6: Final answer
x = 5,608,827.80
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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.