Finding the Fourth Proportional to 6,473,313.98, 8,933,129.31 and 3,572,704.79
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Solution
The fourth proportional to 6,473,313.98, 8,933,129.31 and 3,572,704.79 is: 4,930,308.34
Step by Step Solution
- Step 1: Write the proportion equation
6,473,313.98 : 8,933,129.31 = 3,572,704.79 : x - Step 2: Convert to fraction form
6,473,313.98/8,933,129.31 = 3,572,704.79/x - Step 3: Cross multiply
6,473,313.98x = 8,933,129.31 × 3,572,704.79 - Step 4: Simplify right side
6,473,313.98x = 31,915,433,875,526.40 - Step 5: Solve for x
x = 31,915,433,875,526.40/6,473,313.98 - Step 6: Final answer
x = 4,930,308.34
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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.