Finding the Fourth Proportional to 10,202,442.30, 14,079,199.11 and 5,619,190.14
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Solution
The fourth proportional to 10,202,442.30, 14,079,199.11 and 5,619,190.14 is: 7,754,388.07
Step by Step Solution
- Step 1: Write the proportion equation
10,202,442.30 : 14,079,199.11 = 5,619,190.14 : x - Step 2: Convert to fraction form
10,202,442.30/14,079,199.11 = 5,619,190.14/x - Step 3: Cross multiply
10,202,442.30x = 14,079,199.11 × 5,619,190.14 - Step 4: Simplify right side
10,202,442.30x = 79,113,696,818,008.77 - Step 5: Solve for x
x = 79,113,696,818,008.77/10,202,442.30 - Step 6: Final answer
x = 7,754,388.07
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1.5x scale
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.