Finding the Fourth Proportional to 18,202,686.80, 27,299,053.56 and 6,842,261.84
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Solution
The fourth proportional to 18,202,686.80, 27,299,053.56 and 6,842,261.84 is: 10,261,522.08
Step by Step Solution
- Step 1: Write the proportion equation
18,202,686.80 : 27,299,053.56 = 6,842,261.84 : x - Step 2: Convert to fraction form
18,202,686.80/27,299,053.56 = 6,842,261.84/x - Step 3: Cross multiply
18,202,686.80x = 27,299,053.56 × 6,842,261.84 - Step 4: Simplify right side
18,202,686.80x = 186,787,272,441,704.12 - Step 5: Solve for x
x = 186,787,272,441,704.12/18,202,686.80 - Step 6: Final answer
x = 10,261,522.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.