Finding the Fourth Proportional to 8,684,003.26, 11,985,359.03 and 4,817,769.99
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Solution
The fourth proportional to 8,684,003.26, 11,985,359.03 and 4,817,769.99 is: 6,649,318.45
Step by Step Solution
- Step 1: Write the proportion equation
8,684,003.26 : 11,985,359.03 = 4,817,769.99 : x - Step 2: Convert to fraction form
8,684,003.26/11,985,359.03 = 4,817,769.99/x - Step 3: Cross multiply
8,684,003.26x = 11,985,359.03 × 4,817,769.99 - Step 4: Simplify right side
8,684,003.26x = 57,742,703,054,109.51 - Step 5: Solve for x
x = 57,742,703,054,109.51/8,684,003.26 - Step 6: Final answer
x = 6,649,318.45
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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.