Finding the Fourth Proportional to 10,666,769.29, 14,720,209.58 and 6,255,595.52
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Solution
The fourth proportional to 10,666,769.29, 14,720,209.58 and 6,255,595.52 is: 8,632,761.67
Step by Step Solution
- Step 1: Write the proportion equation
10,666,769.29 : 14,720,209.58 = 6,255,595.52 : x - Step 2: Convert to fraction form
10,666,769.29/14,720,209.58 = 6,255,595.52/x - Step 3: Cross multiply
10,666,769.29x = 14,720,209.58 × 6,255,595.52 - Step 4: Simplify right side
10,666,769.29x = 92,083,677,070,831.09 - Step 5: Solve for x
x = 92,083,677,070,831.09/10,666,769.29 - Step 6: Final answer
x = 8,632,761.67
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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.