Finding the Fourth Proportional to 7,886,937.09, 10,884,005.99 and 4,265,265.09
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Solution
The fourth proportional to 7,886,937.09, 10,884,005.99 and 4,265,265.09 is: 5,886,083.57
Step by Step Solution
- Step 1: Write the proportion equation
7,886,937.09 : 10,884,005.99 = 4,265,265.09 : x - Step 2: Convert to fraction form
7,886,937.09/10,884,005.99 = 4,265,265.09/x - Step 3: Cross multiply
7,886,937.09x = 10,884,005.99 × 4,265,265.09 - Step 4: Simplify right side
7,886,937.09x = 46,423,170,847,973.45 - Step 5: Solve for x
x = 46,423,170,847,973.45/7,886,937.09 - Step 6: Final answer
x = 5,886,083.57
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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.