Finding the Fourth Proportional to 10,202,770.76, 14,080,460.19 and 5,619,090.92
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Solution
The fourth proportional to 10,202,770.76, 14,080,460.19 and 5,619,090.92 is: 7,754,696.04
Step by Step Solution
- Step 1: Write the proportion equation
10,202,770.76 : 14,080,460.19 = 5,619,090.92 : x - Step 2: Convert to fraction form
10,202,770.76/14,080,460.19 = 5,619,090.92/x - Step 3: Cross multiply
10,202,770.76x = 14,080,460.19 × 5,619,090.92 - Step 4: Simplify right side
10,202,770.76x = 79,119,386,003,050.47 - Step 5: Solve for x
x = 79,119,386,003,050.47/10,202,770.76 - Step 6: Final answer
x = 7,754,696.04
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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.