Finding the Fourth Proportional to 7,555,553.96, 10,426,945.74 and 4,292,921.84
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Solution
The fourth proportional to 7,555,553.96, 10,426,945.74 and 4,292,921.84 is: 5,924,391.95
Step by Step Solution
- Step 1: Write the proportion equation
7,555,553.96 : 10,426,945.74 = 4,292,921.84 : x - Step 2: Convert to fraction form
7,555,553.96/10,426,945.74 = 4,292,921.84/x - Step 3: Cross multiply
7,555,553.96x = 10,426,945.74 × 4,292,921.84 - Step 4: Simplify right side
7,555,553.96x = 44,762,063,091,740.96 - Step 5: Solve for x
x = 44,762,063,091,740.96/7,555,553.96 - Step 6: Final answer
x = 5,924,391.95
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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.