Finding the Fourth Proportional to 7,646,430.27, 10,552,372.96 and 4,208,991.15
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Solution
The fourth proportional to 7,646,430.27, 10,552,372.96 and 4,208,991.15 is: 5,808,572.48
Step by Step Solution
- Step 1: Write the proportion equation
7,646,430.27 : 10,552,372.96 = 4,208,991.15 : x - Step 2: Convert to fraction form
7,646,430.27/10,552,372.96 = 4,208,991.15/x - Step 3: Cross multiply
7,646,430.27x = 10,552,372.96 × 4,208,991.15 - Step 4: Simplify right side
7,646,430.27x = 44,414,844,437,080.08 - Step 5: Solve for x
x = 44,414,844,437,080.08/7,646,430.27 - Step 6: Final answer
x = 5,808,572.48
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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.